The arrows in the image above show cause and effect. which of the models depicts an accurate cause-and-effect relationship?

a.
model a

b.
model b

c.

model c

d.
model d

A.Model A

Explanation:

Deforestation leads to desertification, this means that the deforestation is the cause and the effect is desertification. When deforestation occurs, you cut an unhealthy amount of trees from a given ecosystem, the roots keep the water from the water cycle to go away, and they make the land more humid and fertile, if you remove this natural barriers for water the water will just wash away, making the ecosystem more and more dry.

the cell goes through mitosis

explanation:

the outcome of 1970 oil crisis in united states was that, they began to search ways on how to reduce oil.

in 1970 was a period when there were energy and oil crisis. those who were major centers for industrialization were forced to keep way from supplying of petroleum.

some of the result of this crisis was economic growth became stagnant because prices of oil surged.

due to the increased prices some countries like mexico and norway benefited.