Given the requirements of mangrove forests, it is likely that they have developed in . Europe Canada the Great Lakes southeast Asia

What semimetal can form four single covalent bonds.

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins