The correct answer is D, Hope that helps! :)
There are guard cells surrounding each stoma that cause them to open or close throughout the life cycle of the plant. This occurs in response to water and ions concentration in the plant cell.
The answers are satellites, weather balloons, and automated weather stations these are all correct because I just finished the test and checked.
Answer:
i pretty sure its c but i could be wrong
Explanation:
Answer:
A normal line
Explanation:
"In geometry, a normal is an object such as a line, ray, or vector that is perpendicular to a given object."
Hope this Helps