Scientists study many different things. An Astronomer studies the Universe, a Biologist studies living organisms, and a Geologist studies the matter that makes up Earth. What do all scientists have in common? Group of answer choices All scientists use carefully controlled experiments to determine the relationship between the test variable (independent variable) and outcome variable (dependent variable). All scientists pursue explanations about the natural world All scientists use expensive equipment All scientists work in laboratories to make sure variables are carefully controlled

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly.c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus.d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.

China was the world's leading steel producer in 2006. what changes would you expect to be taking place in china?