A(n) is a variable that affects both variables of interest and may falsely give the impression of a cause-and-effect relationship
confounding variable
control variable
dependent variable
independent variable

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis

Wich is not standing in the way of astronomers getting a good view of different star