Stomata open in the daytime, when there is an abundance of heat energy from the sun that causes evaporation of water, causing the guard cells to become flaccid, allowing the stomata to open.
Answer:
The difference is:
a) Positive feedback increases a change while negative feedback reduces a change.
b) Positive feedback occurs specific situations while negative feedback occurs in the body.
c) Positive feedback break down the homeostasis while negative feedback maintain the conditions of homeostasis.
d) Positive feedback has less frequent mechanism while negative feedback has more frequent mechanism.
e) Positive feedback enhances change while negative feedback resists change.
f) Positive feedback has a wider range while negative feedback has a narrow range.
Explanation:
Hope they help.
If you had the choice of which to hit ,obviously it would be the haystack. The haystack would have more give and would not have rapid deceleration like hitting a hard object like a telephone pole.
The answer for this question would be choice D) An erosional surface representing a gap of time in the geological record or the fourth option.
