Which one of these create water pollution?
a. carbon dioxide
b. chlorofluorocarbons
c. nitrates
d. dust particles

Which statements about the enhanced for loop are true for arrays of primitive data?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.