Answer:
DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.
Answer:
D. All of the above
Explanation:
Hazardous waste is defined as waste that comprises organic or inorganic components or compounds that may have a negative influence on human health or the environment due to the waste's intrinsic physical, chemical, or toxicological characteristics.
Correct Option Is D. All of the above.
Liquids, solids, and enclosed gases can all be hazardous waste. Hazardous substances have one or more of the following characteristics: they are combustible, corrosive, lethal, or reactive. They can be waste from manufacturing operations, discarded used materials, or unused commercial products like cleaning fluids (solvents) or insecticides that have been discarded.
I believe it is oxygen and carbon dioxide
Answer:
the food chain
Explanation:
every species in the ecosystem eats or gets eaten