Answer:
sorry have not learned that yet
Explanation:
Answer:
The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants. A small proportion of this chemical energy is transformed directly into heat when compounds are broken down during respiration in plants.
Explanation:
study hard
Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome
Answer:
B.the known laws of science cannot account for the origin of mass.
Explanation:
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Answer:
d. dilation of the blood vessels serving the skin and digestive viscera.
Explanation:
Cardiovascular effects of the sympathetic division include all of the following EXCEPT dilation of the blood vessels serving the skin and digestive viscera.