guys pls answer this question for me pls

Answer:

pouring a layer of oil in water

Explanation:

hope this helps you

Answer:

I think the answer is washing vegetables before cooking them.because this will definitely cause cholera and not malaria.(D)

but if you use the other methods on a,b and c they can stop the spread of malaria.for example if you pour oil on the surface of water it can prevent mosquitoes from breeding or cause death to the eggs,thereby preventing malaria same applies to b and c.

I hope this helps

HELP
In humans, ventilation, digestion, and blood flow are important biological processes. Explain the relationship between the structure of tissues or organs and one of these processes.

how do you think earths large temperature gradient affects the speed of its convection currents how would this speed change if earths core was cooler

Difference between Birds and Bats.​

Which of the following best describes a hybrid?
A. An offspring produced by parents with different traits.
B. An offspring produced by parents with the same traits.
C. An offspring that displays the same traits as their
grandparents.
D. An offspring that displays different traits from their grandparents.

what is friction? pls answer my question ​

A class was performing an experiment to discover the pH values of some common household substances. The results of three groups are shown in the table below.

Substance
Group 1 pH
Group 2 pH
Group 3 pH
Lemon juice
2.2
2.2
2.1
Vinegar
2.8
2.8
8.2
Baking soda
8.4
8.5
8.4
Milk of magnesia
10.2
10.3
10.2

Which statement best describes evidence that Group 3’s data are less valid than the data for the other two groups?
a. Group 3’s pH value for lemon juice is lower than the values of the other two groups.
b. Group 3’s pH value for vinegar is much higher than the values of the other two groups.
c. Group 3’s pH value for baking soda does not exactly match the values of the other two groups.
d. Group 3’s pH value for milk of magnesia is different from the value obtained by Group 2.

Human Population Growth and Overpopulation
Can someone please help me I don't understand what I have to do.

Which of these statements is true about autotrophs, but not heterotrophs?
They use sugar and oxygen to make carbon dioxide and water.
They use chlorophyll and oxygen to make carbon dioxide and water.
They use sunlight, water, and carbon dioxide to make sugars.
They use sunlight, water, and oxygen to make chlorophyll.

Which statement describes the genes within DNA?

When the Earth's rotation naturally brings water away from the

equator and moves cold water close to the surface Westerly

winds begin to strengthen again. What does this signal?

O A. The midpoint of the Coriolis Cycle

O

B. The beginning of El Nino

O c. The end of El Nino

OD. The beginning of an Ice Age

Which is defined as a cell structure made of DNA that gives all of the master instructions for the cell?
a. centromere
b. chromosome
c. allele
d. gene

the membrane of lysosome is made up of ______​

Mention the types of bees​

What types of organisms are
capable of evolving?
A. higher-level organisms
B. all organisms
C. ancient creatures only

Metallic bonds are responsible for many properties of metals, such as conductivity. Why is this possible? (1 point)
O Metals have low electronegativity, so they are conductive because they pass charges easily.
OTwo metals bonded together are going to be more conductive than a metal bonded with a nonmetal.
O The bonds can shift because valence electrons are held loosely and move freely.
O An attraction between a positive charge and a negative charge is created.

Which of the following correctly describes the formula for speed?

What is the best way to test a hypothesis?
Group of answer choices

design and perform an experiment

create a large spreadsheet with all your data on it

do lots of research

ask scientists, then make an educated guess

if the alle B represents black fur and
alle b represents white fur what would be the genotype of animal with white fur

How does the amount of food in a meal effect the time it takes to digest it?

A light meal can be digested in one to two hours, but heavy meals can take up to six.
A light meal can be digested in three to four hours, but heavy meals can take up to eight.
The body digests food at the same rate no matter the quantity.
A medium meal can be digested in one to two hours, but heavy meals can take up to six.

Biological method involves all the following except

(a) data collection (b) observation (c) proportion (d) experiment​

Soil moisture influences both hydrological and agricultural processes and is part of the water and energy cycles through ________.

transpiration
evapotranspiration
evaporation
condensation

On the edge of many deserts, there is a delicate area with abundant vegetation. Sometimes cattle are allowed to graze in these areas. The hooves of the cattle compact the topsoil making it less absorbent. Which environmental concern is MOST likely to happen at the edge of the desert when cattle graze there

Consultar los tipos de biotecnología según sus aplicaciones. Dar ejemplos

which could describe the chemical reaction that is shown

A junction between neurons through which electrical signals pass through are known as _________.
A. Neurotransmitters
B. Axons
C. Myelin sheaths
D. Synapses
(answer: D)

Plz answer this. I miss typed it as advanced placement.​

Which of the following is true of living things that have prokaryotic cells when compared to living things that have eukaryotic cells?
They have many types of organelles.
They are types of plants.
O They are always larger than eukaryotic organisms.
They are always unicellular.

ASAP
Which of the following correctly describes Anaphase?
A. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell.
B. Chromosomes split and move to opposite sides of the cell, the cell elongates
C. Centrioles move to opposite sides of the cell, nuclear envelop dissolves, chromosomes form
D. The Cytoplasm splits, forming two daughter cells

can someone help me asap
Which of the following newborns has the lowest chance of having health problems?
A. Charles- 11 lbs
B. Rosalind- 6 lbs
C. Nikola- 7.5 lbs
D. Marie- 5 lbs

A student places a healthy potted plant and a plastic straw in a closet for two weeks. After two weeks, the student observes that the plant is wilted and brown, while the plastic straw remains the same. The student classifies the plant as living and the plastic straw as nonliving.

What criteria does the student use to classify the plant as living rather than nonliving?