Muscle tissue is made up of cells that contract and release to produce movement. which process provides the energy that the cells need to contract?
a. respiration
b. meiosis
c. photosynthesis
d. mitosis

Which of the following is a physical property flammability heat of combustion solubility and toxicity

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

How many atoms or molecules are there in a mole of a substance?