Explanation:
A. to catch pollen grains
is yr correct ans.
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First they don't use oxygen, plants use the CO2 in the air and release oxygen out into the air after the plant used up the CO2
Answer:
Corpus Luteum
Explanation:
Corpus luteum is a form of endocrine structure in female ovaries which involved in the production of high levels of progesterone in women. The progesterone is the one that regulate women's sex hormone, menstruation, and pregnancy. Progesterone often used as a medication to combat early symptoms of menopause.
Answer:
Amino acids may be acidic amino acids, or basic amino acids, due to the R group on the amino acids. If the pH is increased, this affects the shape of proteins, by disrupting the bonds in the protein. In the case of fermentation, you say the rate increases when it get's more acidic - when the pH is lower.
Carbon cycle :
- CO2 is given out when organism breathe
- Plants gather this CO2 to produce oxygen
- Oxygen that is produced by the plants is used for other organism's breathing which will given out another CO2 and repeat the cycle
Water Cycle :
- Water from the sea and lake is evaporated and Turned into Clouds
- When atmosphere cool it down, these clouds will condense and turn into rain
- Eventually this rain will flow back to the lake or sea and it will repeat the cycle
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