Examples
High respiration rates from mass global population
Deforestation
<span>The gland which signals other glands to secrete hormones is the pituitary gland.</span>
When a chlorophyll molecule absorbs light, the process of photosynthesis, or the transfer of light into sugar, begins. ... For each photon of light that enters and excites a chlorophyll molecule, one electron is released from the reaction center of Photosystem II. So it passes to the reaction center where energy excited pair of electrons, which "jump" to electron acceptor.
Power of attorney is capable act on behalf of someone when a decision can not be made