Answer:
b
Explanation:
analyze data, form hypothesis, perform experiment, draw conclusions
D
Took the test on usatestprep
how long does it take a p-wave to travel 5,200 km?
Eight minutes twenty second
Explanation:
Feedback
To people who have shifted realities, how long did it take you? (don't know what subject to pick)
Answer: Around 20 min.
Explanation:
In the outer layer of the sun, energy is transported outward by the rising of hot plasma and sinking of cooler plasma. This transfer is known as
Answer: Convection.
Explanation:
We have 3 types of heat transmission.
Radiation: Heat is transported as electromagnetic waves, this is not the case shown here.
Conduction: When we have two objects with different temperatures and we put them in contact, the system will want to go to equilibrium (both objects have the same temperature) so the hot object will give heat to the cooler object. We usually see this with solid objects.
Convection: It is the heat transfer due to the bulk movement of the molecules, so this need a material medium (it can not take place in solids, because the position of the molecules is fixed in the solids).
Then the rising of hot plasma and sinking of cooler plasma is convection.
Stomach contractions churn and push the liquid chyme and into the small
intestines. This is an example of.... *
Mechanical Digestion.
Chemical Digestion
Both Mechanical and Chemical Digestion
Neither Mechanical nor Chemical Digestion
Answer:
try a mechanical digestion
Explanation:
Urey and miller cooked a "primordial soup" with Hadean gases, water snd electricity to make _____,_____,_____ and_____
Answer:
Urey and miller cooked a "primordial soup" with Hadean gases, water and electricity to make glucose, acetic acid, amino acids and lipids.
Explanation:
In the Miller-Urey experiment, the aim was to reproduce the conditions of the earth before the existence of life, with the objective of demonstrating the formation of organic matter from inorganic molecules.
The scientists took water and gases present in the Hadean eon —previous to the existence of life— such as methane, carbon dioxide, hydrogen, nitrogen and even ammonia, the primordial soup. This mixture was subjected to electrical discharges, inside closed containers.
The results were some organic molecules, including glucose, acetic acid, amino acids and fatty acids. In these results the presence of macromolecules, such as proteins or nucleic acids, is not appreciated, however it was a significant contribution to the knowledge of the origin of life on earth.
Which statement describes one feature of chemical changes? They never change a substance’s properties. They change a substance’s identity. They can usually be reversed. They keep a substance’s arrangement of atoms the same.
They change a substance’s identity.
Answer:
They change a substance’s identity.
Explanation:
On opening night, a movie theater sold
$1,712 in tickets for the first showing.
If each ticket cost $8, how many tickets
were sold?
Answer:
214
1712 / 8 = 214
What is the hypothesis? The higher the temperature of water, the faster an egg will cook
Answer:
The higher the temperature of the water, the faster an egg will cook
Does this help?
____________ is a gas that makes up 78% of the earth's atmosphere.
Answer:
Nitrogen
Explanation:
Nitrogen makes up 78% of the atmosphere, while oxygen makes up only 21% and other gases make up around 1%
Answer:
nitrogen
Explanation:
It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.S
hope it helpIn which of the following examples is homeostasis being maintained through passive transport?
Materials enter the cell in bulk through endocytosis.
Oxygen dissolves in the lipid bilayer and enters the cell.
Proton pumps move hydrogen ions out of the cell.
Vesicles fuse with the cell membrane during exocytosis.
Answer:
Oxygen dissolves in the lipid bilayer and enters the cell.
what controls traits and inheritance
Answer:
In the explanation. :)
Explanation:
An organism's traits are controlled by the alleles it inherits from it's parents. Some alleles are dominant, while other alleles are recessive.
Hope this helps. Have a great day!
Which of these pairings is correct?
mitosis, part of asexual reproduction because it produces diploids
mitosis, part of sexual reproduction because it produces haploids
meiosis, part of asexual reproduction because it produces haploids
meiosis, part of sexual reproduction because it produces diploids
Explanation:
mitosis part of asexual asexual reproduction because it produces diploids
Answer:
A. mitosis, part of asexual reproduction because it produces diploids
Explanation:
what is the major nitrogen nous waste in humans
Explanation:
urea
SUMMARY. Two major nitrogenous waste products, urea and ammonium (NH4+), are produced in humans when proteins are oxidized, and in this manuscript their excretions are examined from two perspectives.
PLEASE HELP !
Which of these factors best explains why liquid water exists on Earth?
A. Presence of living things
B. Moderate temperatures
C. Lack of gravity
D. Lunar tides
The factor that best explains why liquid water exists on Earth is moderate temperatures. Therefore option B is correct.
Liquid water exists on Earth primarily due to the presence of moderate temperatures. Water is a unique substance because it has a relatively high boiling point and a wide range of temperatures at which it remains in a liquid state.
The average surface temperature of the Earth, along with the atmospheric pressure, allows water to exist as a liquid under normal conditions.
The lack of gravity is incorrect because gravity is essential for the existence of liquid water. Gravity keeps water molecules attracted to each other, preventing them from dispersing into the atmosphere.
Know more about atmospheric pressure:
https://brainly.com/question/1391071
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The Earth's biodiversity is determined by the variety of all living organisms on Earth. In recent years, ecologists and other scientists have encouraged the preservation of global biodiversity through the protection and management of natural ecosystems. Preserving the biodiversity of the Earth is important because
Answer-:
Preserving the biodiversity of Earth is important because biodiversity increases the efficiency of ecosystems where every species, no matter how small, has an important role to play. A greater number of species of plants means a larger range of crops. Greater diversity of organisms guarantees ecological survival for all lifeforms
Explanation:
REASONS WHY PRESERVATION OF THE EARTH'S BIODIVERSITY IS IMPORTANT-
ECOSYSTEM PRODUCTIVITY - One of the key reasons we should continue to concentrate on biodiversity protection is that it helps to improve the efficiency of the ecosystem. Naturally, a properly working ecosystem would be more immune to extreme environmental factors, such as climate change.HEALTH DETECTIONS -The vast number of medical advances waiting to be made is one of the most significant reasons why we should continue working on saving biodiversity. To develop new cancer therapies and more, scientists use observations of plants , animals, and even microbes. As a matter of fact, all human drugs must first be tested before being tested on humans in laboratory animals. This is essential for determining their toxicity, dosing, as well as effectiveness. In some of the most remote sections of the planet, many of the animals used in these discoveries are also included. Recreation and Natural Beauty - The value of natural beauty is another great explanation why we should continue focusing on protecting biodiversity. There are several historical sites around the country that need to be preserved to maintain their status for future generations to enjoy, such as the redwood forest. These trees regularly have a lifespan of 600 years in the case of the redwoods. Some are as old as 2,000, too. Their growth is extremely sluggish, however. Wild and natural environments provide ways to get away from urban environments. In addition, people can enjoy outdoor activities such as bird watching, canoeing, hiking, and photography of nature. The Ecosystem 'Survival - With a few exceptions, to survive, each species on Earth relies on the services of other species. This partnership is part of the idea of what an ecosystem is. The relationship between soil, plants , and bacteria is a pertinent example. This is known as the period of nitrogen. Other examples which are important include -: Animal waste which nourishes the soil, Crops also produce straw, which is an animal food source, As natural nitrogen fixers, algae represent and Aerate the soil with rats.Economic Benefits -: Many advantages have been provided to humans through biodiversity, and many come in the form of products. These products are extracted and sold, and everything from crops to medicines is included.Hence, preservation of the biodiversity of Earth is important from all aspects of life.
What layer of the earth are tectonic plates located
Answer:
crust
Explanation:
why do we need forest
This type of vessel carries blood TO the heart:
Answer:
vein
Explanation:
carries blood vessels with no oxygen to the heart to get oxygen.
A function of chloroplast in plant cells is to:
Answer:
In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and supple leaves; and vacuoles allow plant cells to change size.
Explanation:
do gases sink or float
answer
the density of gases depends upon the temperature. The higher the temperature, the more the molecules are spread out and the lower the density as shown in the graphic on the left. The result is that warm gases rise and cool gases sink.
Explanation:
Answer:
It depnds on howw dense they are
Explanation:
If they are denser than air then they sink. If they are less dense then they float.
What are the genotypes of the F1 parent plants?
What is an apex predator?
a) A consumer eaten by no other species
b) A producer of the highest nutritional value
c) A consumer living at the top of a mountain
d) A consumer that eats more than one species
The burrowing owl is found in dry, open areas such as grasslands, prairies, savannas, deserts, farmlands, golf courses, and urban areas throughout most of western United States and Florida, Central America, and most of South America. It makes its home in burrows of other animals and primarily eats insects and small rodents. As humans build more cities, nearby burrowing owl habitats change due to destruction of burrows and loss of prey. Which is the least likely outcome of the habitat changes that are described?
Answer:
inside under ground holes in the ground
Explanation:
Answer:D
Explanation:
what element must a molecule contain to be considered organic?
Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.
hope this help!
Question 15
What does DNA do in living things?
Answer:
Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. ... The major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.
Explanation:
Answer:
DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies
Explanation:
what structures found in the nucleus contain the genetic information of an organism
the nuclear envelope is a double membrane of the nucleus that encloses the genetic material it separates the contents of the nucleus from the cytoplasm the nuclear envelope is made of two lipid bilayers and membrane in an outer membrane
Explanation:
step-by-step explanation
Is saying “the chicken is going to lay an egg” a prediction, inference, or an observation?
Answer:
it is a prediction
Explanation:
you would be predicting that the chicken is going to lay an egg.
Structure that organizes motion of the chromosomes?
Answer:
Structure that organizes motion of chromosomes. Cytoplasm. Material in cell; contains chemical wealth: sugars, amino acids, and proteins a cell uses to carry out everyday activites. Vacuole. Saclike structure (large in animal cell); stores water, salts, carbs, and proteins. Plays a role in disposing waste.
Explanation:
There are various structures that are found present in a cell. And these structures have peculiar functions they carry out in the cell. Chromosomes are found in the nucleus of a cell. During cell division there is the needed movement of the chromosomes.
The structure that organizes motion of the chromosomes is the centriole
The centriole is a structure found in the animal cells near the nucleus that aid in the movement of chromosomes through the action of the microtubule and spindle fibres. They help to assemble these microtubules and spindle fibres to aid movement of chromosomes.Learn more: https://brainly.com/question/24552946
3. How does ATP provide energy to your body?
Answer:
ATP(or Adenosine Triphosphate) provides energy to your body because it is a chemical that takes energy from the food you eat and turns it into energy your body can absorb. So because of this, it is considered a source of energy.
What problems can pseudoscience cause for society?
Answer:
It is quite difficult to picture a pseudoscientist—really picture him or her over the course of a day, a year, or a whole career. What kind or research does he or she actually do, what differentiates him or her from a carpenter, or a historian, or a working scientist? In short, what do such people think they are up to?
… it is a significant point for reflection that all individuals who have been called “pseudoscientists” have considered themselves to be “scientists”, with no prefix.
The answer might surprise you. When they find time after the obligation of supporting themselves, they read papers in specific areas, propose theories, gather data, write articles, and, maybe, publish them. What they imagine they are doing is, in a word, “science”. They might be wrong about that—many of us hold incorrect judgments about the true nature of our activities—but surely it is a significant point for reflection that all individuals who have been called “pseudoscientists” have considered themselves to be “scientists”, with no prefix.
