All living things are made of organic compounds which contain the element A) carbon. B) hydrogen. C) oxygen. D) phosphorus.

1. Hydrochloric acid is used to produce fertilizers and dyes, to pickle and clean metal products, and as a reagent in the photographic and rubber industries. what are chemical properties of hydrochloric acid

A sea anemone is in the animal kingdom, even though it resembles a plant. What characteristic allowed scientists to definitively classify the sea anemone as an animal rather than a plant? A. Sea anemone are not photosynthetic. B.

What are the functions of the micronucleus and the macronucleus in paramecium?

Which of the following are the starting substances in photosynthesis?

Hormones travel through the blood stream to target cells. Group of answer choices True False Flag this Question Question 610 pts If there was no negative feedback which of the following would occur?

Would a person be squashed by extreme gravity, float with ease, freeze, burn up, or something else

According to "Life Without Gravity," why can astronauts' muscles become weak? A. Without gravity, the blood is rerouted from the legs to the head. B. Without gravity, the body "grows" by as much as several inches. C.

What type of igneous rock has two distinct grain sizes indicating two stages of cooling

A certain type of diploid organism has 38 chromosomes. how many chromosomes would a gamete of this organism have?

Griffith, in his 1928 experiments, demonstrated that bacterial strains could be genetically transformed. The evidence that DNA was the "transforming principle" responsible for this phenomenon came later.