Explanation:
1 chemical reaction endothermic
2 physical change. exothermic
3 chemical reaction endothermic
Hydrogen has one valence electron. To make it an ion, you need to remove this valence electron. When you remove an electron, the element becomes positive because you are taking away the negative
Answer:
Option D is a correct answer
Explanation:
An adaptation is adapted to suit the environment as every environment is different.
Different environment aids to different kind of adaptations that perfectly suits the animals living there.
The adaptation of an animal living in the desert region will have adaption to work in hot climate. The plant that grows in a desert area have no leaves and broad stem to store water.
The animals that live in the polar regions have thick fur to provide insulation and heat to live in polar region.
Answer:
Biogeographic isolation affects the changes in gene pools that result from which organisms are breeding -is how biogeographic isolation allows for the change of gene pools over ( time )
Explanation:
Answer:
Hemostasis incorporates three stages that happen in a fast grouping: (1) vascular fit, or vasoconstriction, a brief and serious compression of veins; (2) arrangement of a platelet fitting; and (3) blood thickening or coagulation, which fortifies the platelet plug with fibrin work that goes about as a paste to hold the coagulation.
Explanation:
