How do we know that earth, air, fire, and water are not elements

RullS Only an experiment can prove:

The fossil fuel that is likely to last the longest before running out is

Which is an inner planet?

Which of the following prefixes represents the smallest value? Centi Deca Deci Mega

Which of these cancer-causing substances or agents is it impossible to completely avoid? a. tobacco and second-hand smoke b. ultraviolet ration from the Sun c. food and drinks that the FDA warns may contain carcinogens d. chemical such as asbestos

How is scientific thinking useful in daily life

Is a rotting log biotic or abiotic?

Hat type of substances are commonly transported into cells by channel proteins

Who received profits from a corporation? A. The employee B. The company officials C. The managers D. The shareholders

An ecosystem includes a. only exotic factors b. only biotic factors c. biotic and abiotic factors d. only abiotic factors