Answer:
c the objects need to touch
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All of the following are present in both prokaryotic and animal cells except
ribosomes
ribosomes
cell wall
cell membrane
Answer:
cell wall
Explanation:
is not present in animation cell
How does thermal energy transfer when a room is heated by a furnace?
a Hot air is absorbed by the objects in the room; cold air expands and rises.
b Hot air is circulated through the room; the hot air rises, and cold air falls.
c Hot air makes direct physical contact with the objects in the room and rises.
d Hot air is transmitted by electromagnetic waves; the hot air rises and falls.
Name two elements that have the same properties as potassium (K)
I know one is calcium
Answer:
sodium and rubidium have the same properties with potassium. this is because sodium, potassium, and rubidium are in the same column that is they are all in group one of periodic table. all are alkali metals hence have the same properties.
Explanation:
The two elements that have the same properties as potassium ( K ) are sodium and rubidium.
What is element ?A chemical element is a species of atoms, including the pure material made entirely of that species, that have a specific number of protons in their nuclei. Chemical elements, in contrast to chemical compounds, cannot be reduced by any chemical process into simpler molecules.
Fire, Earth, Water, and Air. Earth, water, air, and fire were the four elements that the ancient Greeks thought made up everything.
Potassium ( K ) and lithium ( Li ) are two elements that share qualities with sodium, since they belong to the same chemical family. The fact that potassium and sodium both have one valence electron and can produce +1 ions explains why their chemical characteristics are similar.
Thus, The two elements that have the same properties as potassium ( K ) are sodium and rubidium.
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Which choice best defines heredity?
A. the technology that enables scientists to insert genetic information from one organism into another
B. the joining of sex cells to form the first cell of a new organism
C. the passage of genetic instructions from one generation to the next
D. the cycle through which an organism grows from a young form to a mature form
15. i just want to say help me , and thx to people who truly help me I am so grateful for that
Which is a dominant trait that Mendel observed in pea plants?
bumpy pods
short height
yellow seeds
white flowers
A dominant trait that Mendel observed in pea plants are yellow seeds. Yellow seed color dominates over green seed color in peas. Green seeded plant crosses with heterozygous yellow seeded plant.
What is yellow seed ?A content strategy and development company called Yellow Seed works with a variety of brands, agencies, platforms, and formats.
Yellow is the dominant trait and green is recessive for seed color, whereas green is the dominant trait and yellow is recessive for fruit (pod) color. Question: A monohybrid cross was made by crossing a pea plant that produces yellow seeds with a pea plant that produces green seeds.
Either the green color seed trait or the yellow color seed trait is present in the parent plants. One of these features is often dominant over the other, meaning that it is always manifested when inherited. As a result of the dominant nature of the yellow seed color trait, all the progeny exhibit it.
Thus, A dominant trait that Mendel observed in pea plants are yellow seeds.
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A student pushes against a wall with 20 N of force and the wall does not move. In this situation, the wall exerts -
A 20 N of force in the same direction as the push.
B 20 N of force in the opposite direction of the push.
C less than 20 N of force.
D more than 20 N of force.
if you finish this can you answer the others plzz thank you
What is the first step in determining whether a group of scientists had created false data in a study? taking the group to court and using a jury find out if the data was true or fake reading through the experimental procedure and comparing it to data given thinking about whether the trend showed seems like it was possible or not conducting the study again using the same tools and then comparing data
Answer: The first step is testing their theory!
Explanation: Scientists will have to set up an experiment to scientifically prove their statement/hypothesis:)
The first step in determining whether a group of scientists had created false data in a study is theory.
What do you mean by data analysis ?The term data analysis is defined as the process of systematically applying statistical and logical techniques to describe and illustrate, condense and recap, and evaluate data.
The first step in any data analysis process is to define your objective. Defining your objective intends coming up with a hypothesis and figuring how to test it.
Data analysis is the pattern of working with data to glean helpful information, which can then be used to make informed decisions. "It is a capital mistake to theorize before one has data.
The scientists will have to set up an experiment to scientifically prove their hypothesis.
Thus, The first step in determining whether a group of scientists had created false data in a study is theory.
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Matter can be altered in many different ways. For example, what are all ways you can change a piece of binder paper? Think creatively!
(Please actually help me, I’m not that creative)
The alteration of matter refers to the change in the state or form in which a substance exists. Performing different physical processes on a binder paper such as cutting squeezing, folding soaking, drying shredding and so on are different ways of altering the binder paper.
The state or form of a material can be chanhed from one form or state to another. When a binder paper is squeezed or folded, it's initial state has been altered, cutting or shredding the paper also changes alters it's previous state and so on.
Therefore, the change in the physical state or condition of the binder highlights alteration of the paper.
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Which of the following best explains the Law of Conservation of Mass?
Group of answer choices:
A. In a chemical reaction the mass of the products is less than the reactants mass.
B. In a chemical reaction the mass of the products cannot be determined from the mass of the reactants.
C. In a chemical reaction mass of products always equals the mass of reactants.
D. In a chemical reaction the mass of the products is greater than the mass of reactants
Answer:
A
Explanation:
When a reaction happens some of the reactants mass is released as energy so the mass of the product would be less
How does thermal energy flow as you hold a glass of ice water? (94 points)
a By conduction from your hand to the glass
b By convection from your hand to the glass
c By convection from the ice to your hand
d By radiation from the ice to your hand
Answer:
a
Explanation:
conduction is basically anything you can touch and thermal energy is your body heat to an object
Explain how ocean currents affect climate
Long-distance transportation of warmed or cooled water is possible with horizontal currents traveling northward or southward.
What is climate?Climate is a region's averaged long-term weather pattern over a period of time, usually 30 years. More precisely, it is the average and variation of weather factors over a period of time that can range from a few months to many millions of years. Temperature, humidity, air pressure, wind, the precipitation are a few of the meteorological factors that are frequently measured.
Long-distance transportation of warmed or cooled water is possible with horizontal currents traveling northward or southward. The evacuated warm water increases the air's temperature, whereas the cold water is cooled the air, as well as the land surface in which the blows.
Therefore, long-distance transportation of warmed or cooled water is possible with horizontal currents traveling northward or southward.
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