A stem cell is a cell that has layers of bacteria that helps protect the water that follows through it.
Answer:
RoHS applies to the following substances for electronic equipment and electrical appliances: lead, mercury, cadmium, hexavalent chromium, PBB (polybrominated biphenyls), and some PBDEs (polybrominated diphenyl ethers).
Both photosystems contain many pigments that help collect light energy, as well as a special pair of chlorophyll molecules in the heart (reaction center) of the photosystem. The special pair of photosystem I is called P700, while that of photosystem II is called P680.
So you have a muscle like the biceps brachii it’s origin is connected to the humerus then inserts to the radius origin didn’t move it’s static
Animals likes the sun's energy. The sun supplies energy to plants to help them grow for animals. Animals eat the plants to get the energy they need.
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