Answer:
A
Explanation:
Before domestication of animals, these animals were wild and early humans used to hunt for food. The hunting process was not always successful and took a lot of energy from the body. Domestication of these animals made food available and other conveniences. An example is cows that emanated from the domestication of wild aurochs. They provided the milk and meat for humans and also labored in the farm in the cultivation of domesticated plants.
Answer:
b.nuclear energy to heat energy to electrical energy
True.
Why by Mimiwhatsup: Any organism can form organic substances from nutritional organic substances from simple inorganic substances such as carbon dioxide.
Answer:
The answer is B. It is an endothermic reaction.
Explanation:
Photosynthesis in an endothermic reaction. Endothermic reactions are all those chemical reactions that in their transformation process, in 2 or more different substances, consume Caloric Energy, in which, the products obtained possess higher energy levels, than the initial reagents, since they have taken part of the heat of the environment.
Because of different receptor types
Norepinephrine is also known as noradrenaline. It is released in the central nervous system which has a wide set of function in the body. This help in the activation of the flight or fight response by boosting the body to have an increased attention and reaction time. THis can increase the heart rate, dilate blood vessels and increased blood pressure however in other tissue function may vary due to the presence of various receptors that this neurotransmitter can activate.