Biology, 16.09.2019 03:30, dreannaevans2

In an appropriately designed experiment, a scientist is able to test the effect of:
a) a single variable
b) multiple variables
c) the hypothesis
d) scientific observations

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 07:30, kevin72836

9. the history of life on earth is recorded in

Answers: 2

continue

Biology, 22.06.2019 18:30, jacksolo

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.

Answers: 1

continue

Biology, 22.06.2019 22:00, kprincess16r

The best instrument to use to separate the liquid portion from the solid portions in whole blood is a(an) a. compound light microscope. c. test tube. b. centrifuge. d. electron microscope.

Answers: 1

continue

Biology, 23.06.2019 00:30, sneakersolequeen

Imagine that you are a doctor in a maternity ward. during your last shift, 20 babies were born. 10 had blue eyes, and 10 had brown eyes. 15 had round heads, and 5 had pointed heads. what are the parents phenotypes/traits?

Answers: 1

continue

Do you know the correct answer?

In an appropriately designed experiment, a scientist is able to test the effect of:
a) a sing...