In an experiment there should be only one

A. control.

B. dependent variable.

C. independent variable.

D. All answers are correct.

Which restaurant, in your opinion, has the best chicken sandwich?

Cells must maintain an appropriate level of fluidity across their membranes. Hot temperatures lead to greater membrane fluidity. What might you then expect to find regarding the membrane composition of bacteria from very hot environments

The burning of oil and coal have one negative effect on the environment. what is the negative effect

Why does Mrs. Arable suggest Fern sell Wilbur to Uncle Homer?

Describe the two types of competition.

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. They result in either an individual having too many or too few chromosomes in their genome.

During which stage of disease should an infected person be considered contagious

A scientist observed the boundrary between teo tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. Does this result suppor the theory of plate tectonic? Why or why not?

Do you think the channel on Mars was formed by flowing water or flowing lava

Does the presence of acid-fast organisms in a clinical specimen always suggest serious clinical disease? why or why not?