Carbon dioxide concentrations in the air have increased over the last decade dramatically, and decades have 10 years. Given these facts, concentrations of what in the air have increased over the last 10 years dramatically among the following options: - chlorofluorocarbons - fossil fuels - ozone - Greenhouse gases - Greenhouse gasses - oxygen - carbon dioxide - air molecules
carbon dioxide

(Question)
Producers make food from inorganic molecules, and decomposition is the breakdown of organic molecules into inorganic molecules. Given these facts, what helps producers make food among the following options: - Decomposition. - heat energy - honeybees - Chemical energy - Electrical energy - animals - an electric stove - Power plants
(Answer)
Decomposition.

Ques: Decomposition increases amount of organic matter in soil, and bacteria initiate decomposition of plants. Given these facts, what would increase the amount of organic matter in soil among the following options: - coal - fossil fuels - Pesticides - mussels - bacteria - nutrients - burning - shrub beds
Ans: bacteria

(Q).
Molecules of tRNA bring amino acids to the ribosome in the correct sequence, and aminoacylation is the adding of an amino acid to the tRNA molecule. Given these facts, what bring amino acids to the ribosome in the correct sequence among the following options: - Chemical energy - Aminoacylation - Dilution - a delta - Cooking - heat or cold - it needs them - A Greek letter
(A).
Aminoacylation

Ques:Most people can survive only a few days without water, and close to 200,000 people drink that water. Given these facts, people can survive only a few days without what among the following options: - dehydration - sleeping - liquid - glucose - working - Chlorophyll - drinking - breathing

Ans:drinking

Question: Female gametophytes produce eggs inside the ovaries of flowers, and ovum, or eggs, are stored in the ovaries. Given these facts, female gametophytes produce eggs inside what part of flowers among the following options: - Petal. - an area swollen with pus - allow growth - at or near the margins - Produce department. - Chlorophyll - Chicken. - Where ovum, are stored
Answer:
Where ovum, are stored