Oxygen is essential for cellular respiration for all aerobic organisms, and oxygen, for example, is produced by plants. Given these facts, what is essential for cellular respiration for all aerobic organisms. among the following options: - electron - glucose - Energy - Energy. - chemicals - Plants - fungi - bacteria
Plants

(Question)
Arefrigerator is used for keeping food fresh for a long period of time, and refrigerators are major users of electricity. Given these facts, what requires a lot of electricity among the following options: - riding a bicycle - An emergency lighting source. - repair cells in the human body - sleeping on the floor - visiting a dam - Something that take eight minutes to travel to the Earth - Heating a metal filament. - keeping food fresh for long periods of time
(Answer)
keeping food fresh for long periods of time

Ques: Landfills have a negative impact on the environment, and solid waste is stored in landfills. Given these facts, what has a negative impact on the environment among the following options: - cigarettes - animals - deforestation - rain - wind - Pesticides - Pollution - solid waste
Ans: solid waste

(Q).
Chlorophyll is used for absorbing light energy by plants, and it is essential in the absorption of light energy for photosynthesis. Given these facts, what is chlorophyll essential for among the following options: - staying warm - photosynthesis - survival - hydrogen and oxygen - germinating - Most plants - plant reproduction - plant respiration
(A).
photosynthesis

Ques:Condensation causes clouds to form, and clouds form by the condensation of water vapor. Given these facts, water vapor causes what to form among the following options: - clouds - glass - excretion - oceans - trees - heat - air - bees

Ans:clouds

Question: Mutation creates new genetic variation in a gene pool, and most mutations are beneficial to the organism. Given these facts, most what in a gene pool are beneficial to organisms among the following options: - resistance activities - genetic ties - genetic distractions - Plant reproduction - fur and fat - resistance - genetic variations - genetic similarities
Answer:
genetic variations