How could the students improve the validity of the data in this experiment to better support their conclusion? es))
A)
Use only springs made from two different materials.
B)
Repeat the trials several times and take an average.
Test a greater variety of springs, increase sample size.
D)
Use exactly the same mass increments for each spring trial.

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

What is the problem in this article? what solution does the article propose?

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body