Answer B) Cell division demonstrates that cells come from pre existing cells.
Answer:
The tiny muscles that make up the iris, known as the circular and radial muscles, relax and contract to maintain a fairly constant level of light entering the eye. In bright light, the circular muscles contract whilst the radial muscles relax. This causes the pupil to constrict and less light enters the eye.
Explanation:
Answer:
because it helps alot
Explanation:
1.it protect you from sicks and diseases
2. it helps one feel comfortable
The appropriate answer is d. Dead plants in a swampy environment is the perfect environment for the beginning of the coal forming process. Over time layers pile up in this anaerobic environment. The plant or organic material gets buried overtime by dirt or rocks. Millions of years of burial will expose the matter to heat and pressure and will eventually lead to the formation of coal and other petroleum products.
<span><span>A)global warming.
</span><span>B)a possible ice age.
</span><span>C)decreased biodiversity.
</span><span>D)<span>desertification and erosion.</span></span></span>
