10 points and brainliest!

acid, atomic number, base, buffer, chemical bond, chemical reaction, covalent bond, crystalline, ionic bond, isotope, matter, neutron, ph, physical property, polar molecule, proton, radical, radioactive

the ability of water to change from solid to liquid is a(n) of water.

Nucleic acid certain protein cell membranes certain carbohydrates

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.