The plant would no longer put out oxygen, and the concentration of carbon.
<span>The organic substance making up the cells of all living things is protoplasm.
Whereas cytoplasm, tissue, and organelles definitely do exist in living things, they do not make up the cells of all living things.
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Answer:
peptide antigens by MHC class II molecules
Explanation:
Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines to assist the immune response.
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Explanation:
Where possible, we can switch to renewable sources of energy (such as solar and wind energy) to power our homes and buildings, thus emitting far less heat-trapping gases into the atmosphere.
