On one side of the grand canyon could be a squirrel with a birth defect witch reproduses with a squirrel with normal genes. But the birth defect is stronger than whatever trait that may be. so the litter of squirrels mostly have this trait. and the cycle contiues
The rocks which are porous depending on the degree of cementation
include the following:
<h3>What is Porosity?</h3>
Porosity is the measure of empty spaces in a particle which permits the
passage of compounds such as water etc.
The rocks mentioned above have a lot of empty spaces which permits
other substances to pass through them. The remaining rocks are
composed of tightly held grains which reduces their porosity.
Read more about Porosity here brainly.com/question/8757684
Answer:
Fruits, vegetables, lean meat, limiting saturated fats, eating controlled portions.
Explanation:
Fruits and vegetables are extremely important for a balanced diet. Same with lean meat.
These provide good amounts of fiber and protein.
Eating less saturated fats are good too. Same with eating controlled portions so you do not over or under eat.
<em>Hope this is correct, good luck with your studies.</em>
Because if it stops. The Earth's atmosphere turns off and the sun's ray and not protected and we all die :-(.