The answer is true light is one of the forms of electromagnetic energy.
Answer:
<em>Impacts from human activity on land and in the water can influence ecosystems profoundly. Climate change, ocean acidification, permafrost melting, habitat loss, eutrophication, stormwater runoff, air pollution, contaminants, and invasive species are among many problems facing ecosystems.</em>
Answer:
Norepinephrine is released by sympathetic nerves and this causes increase in heart rate.
So option d is correct. :)
Explanation: