Which could be a reason viruses are considered nonliving things?

a. viruses come from cells.
b. viruses produce cells.
c. viruses are made of dna and proteins, but not cells.
d. viruses attack cells and are dangerous to them.

The tubes transporting minerals and water upward are called ?

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.