Pond ecosystem considered as an open ecosystem because pond is always open . There is an interaction of pond with atmosphere , due to which it ecosystem becomes open.
Renewable resources are easily obtained and can be created quickly. Things like fossil fuels take millions of years to create. C is the answer because as k stated fossil fuels are nonrenewable and take millions of years to create, Soybeans are easily made so it's renewable.
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B is the correct energy because carbs contain lots of energy
Step 1: Pacemaker Impulse Generation. ...
Step 2: AV Node Impulse Conduction. ...
Step 3: AV Bundle Impulse Conduction. ...
Step 4: Purkinje Fibers Impulse Conduction.
<u><em>Answer:</em></u>
<em>A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.</em>
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<u><em>Explanation:</em></u>
<em>*Hope this helped*</em>
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