Okay so i hope this help but i think its this:
1. chlorophyll, a green pigment found in the leaves of plants (see the layer of chlorophyll in the cross-section chlorophyll, a green pigment found in the leaves of plants (see the layer of chlorophyll in the cross-section
2. light (either natural sunlight or artificial light, like from a light bulb)
3. carbon dioxide (CO2)(a gas found in the air; one of the gases people and animals breathe out when they exhale)
4. water (which the plant collects through its roots)
5. nutrients and minerals (which the plant collects from the soil through its roots)
Did researching for you so I hope this helped? :)
it forms covalent bonds by sharing electrons
Answer:
True.
Birth control pills contain a combination of hormones that prevent the formation of the ovule, by prevent the formation of the luteinizing follicle. There are several types of birth control pills,but the process is generally the same
Explanation:
Answer:
interleukin-2 (IL-2) is an interleukin, a type of cytokine signaling molecule in the immune system. It is a 15.5–16 kDa protein[5] that regulates the activities of white blood cells (leukocytes, often lymphocytes) that are responsible for immunity. IL-2 is part of the body's natural response to microbial infection, and in discriminating between foreign ("non-self") and "self". IL-2 mediates its effects by binding to IL-2 receptors, which are expressed by lymphocytes. The major sources of IL-2 are activated CD4+ T cells and activated CD8+ T cells
Explanation:
