Plants can reduce global warming because they remove from the air.

Carbon Dioxide

Explanation:

Plants have a very important job in our ecosystem, they need to absorb energy from the sun and carbon dioxide from the air in order to do photosynthesis and create their own food, in this process the cabon dioxide molecules are broken apart and create carbon and two molecules of oxygen, the cabron will be used to produce the energy necessary in form of carbohydrates for the plant, and the oxygen will be realesed into the enviroment. Exces of carbon dioxide creates rises the temperature in the atmosphere so plants can help reducing it by removing carbon dioxide form the air.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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