Students were involved in an experiment to investigate whether playing music while they took a test affected their scores.
control
independent variable
dependent varibale
test scores students = playing music during a test

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

What happens when a magniseum ion ia atracked to a chlrene ion

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time