The answer is B
A keystone predator would increase niche diversity and help reduce niche competition <span />
Reactants: O2 (oxygen gas) and glucose
<span>Products: CO2, H2O, and energy (ATP molecules)
Hope this helps :)</span>
Answer:
Blood is carried away from the heart by arteries. Blood that is rich in oxygen. Blood that is low in oxygen is returned to the heart by veins. there is more pressure in arteries than in veins.
According to productivity expert Odette Pollar, "to do more in a day, you must do less, not do everything faster." Pollar said that on the average if you spend not enough time and energy on those things you alone can do, you must look for tasks that others can and let them take over. Focus on the prize.<span>
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Answer:energy
Explanation:all activities of life including physical and chemical require energy to proceed
