Answer:
i think its the first one sorry if its wrong
Explanation:
The sympathetic nervous system releases two hormones within the body in response to stress, resulting in an adrenaline rush or a sense of urgency that occurs during stressful conditions. These hormones are called epinephrine. So it releases hormones to give you adrenaline in a bad situation or stressful one
Answer:
Oxygen liberated during photosynthesis comes from the splitting or hydrolysis of water in the green plants. Cornelius van Niel experimentally proved for the first time that the oxygen liberated during photosynthesis comes from water and not from carbon dioxide.
Answer:
Nutrient pollution is the process where too many nutrients, mainly nitrogen and phosphorus, are added to bodies of water and can act like fertilizer, causing excessive growth of algae. Nutrients can run off of land in urban areas where lawn and garden fertilizers are used
Explanation:
