Answer: nervous and endocrine system.
Central nervous system(CNS) is needed to send a signal to many organs to work. Damage in CNS can cause you to stop breathing. The endocrine system is keeping the body healthy by make sure that the blood concentration of glucose and other molecule is enough to sustain life, but not too much to cause damage.
Make a test of experimental groups for flowers with warmer soil and another with regular soil and to be sure cold soil.
Answer:
ig its D
Explanation:
because minerals take millions of years to form
B. i think an extended period of rain.
Answer:
cell division
Explanation:
This is where cells would get damaged or die and this process calls cell division occurs