Hey there!
The purpose of guard cells is to control the opening and closing of the Stomata, keeping it the correct width, or size.
Therefore, your correct answer would be Option 3, control the size of the Stomata.
Hope this helps!
Answer:
no
Explanation:
because mining coal is not gonna affect eco system and coal mining is not good foy your body
(3) environmental conditions affect gene
<span>expression</span>
When peanut <span>seedlings were grown under identical conditions, the factor that could count for differences in height among the seedlings is GENETICS.</span>
