To be classified as a fossil, the organism must have lived and died more than 10,000 years ago. true false

Definition of necleous

What do you know about a chemical compound by looking at its chemical formula? A the number and kinds of atoms in the compound B how the compound reacts with other compounds DC how many molecules are in a sample D the properties of the molecules in

If comparing a river system to a tree, what tree part represents the tributary? Flower Branch Bark Leaf

Process which involves the breakdown of chemical nutrients into smaller molecues.

How do temperatures above the range of maximum growth effect bacterial cells? a. high temperatures cause water to exit bacterial cells. b. high temperatures denature essential enzymes and other proteins. c.

Which best explains how the body maintains homeostais? A. All systems work together to match the external environment B. All systems work together to stabilize the body C. Each system works interdependently to stabilize the body D.

It is an effect that drug use can have on society? A. Drug use increases pollution. B. Drug use leads to an increase in criminal activity. C. Drug use increases the spread of disease. D. All of the above

Which of the following affects the speed of light waves in a material? Angle at which the ray strikes the medium Color of the material Density of the material Temperature of the light wave

What does the nosepiece do on a microscope

What does a scale measure