Answer:
4
Explanation:
green plants because it started the food web.
Digital signals, on the other hand, are like a light switch. They have two distinct values that they can send, rather than an infinite set of values like in analog signals. ... Like a light switch, digital signals have two values. Digital signals send segments, while analog signals send continuous streams.
Explanation:
under what circumstance does a negative cell presents An antigen to another negative cell
Answer:
D
Explanation:
A somatic mutation cannot be passed down generations. The mutation has to be in the gamete (egg or sperm) to be inherited by the offspring. This can occur when the pre-gametic cells incur a mutation during development into a gamete.
I think the correct answer from the choices listed above is option B. It is marshmallows catching fore that is an example of a spontaneous exergonic reaction. An exergonic reaction is a chemical reaction where the change in the free energy is negative which indicates the reaction to be spontaneous. It happens without any energy input.
