Through the process of materials move across a cell membrane from an area of higher concentration to an area of lower concentration.
a.
diffusion
b.
photosynthesis
c.
friction
d.
cellular respiration

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?