What is an acid? select all that apply.

a substance that releases hydrogen ions in water
a substance that releases hydroxide ions in water
a substance that tastes sour
a substance that tastes bitter
a substance with a ph below 7

Which best describes how parents affect the genotype of a child? a.the parents decide what to feed their child b.the parents choose whether to educate their child c.the parents allow their child to stay up late d. the parents pass along genes to the child

What does gradualism and punctuated equilibrium have in common

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria