C. The precipitation cannot meet the growing demands for water
<span>If an animal learns to use a tool in one way and then is presented with a new situation in which it applies the tool, the animal is demonstrating
a. imprinting.
b. operant conditioning.
c. classical conditioning.
d. insight learning.</span>
Answer:
Proteins is a macromolecule that helps to send signals
<span>a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
D is correct!</span>
Answer: Located within the thermosphere, the ionosphere is made of electrically charged gas particles (ionized). The ionosphere extends from 37 to 190 miles (60-300 km) above the earth's surface. It is divided into three regions or layers; the F-Region, E-Layer, and D-Layer.
Explanation:
