Which of the following would be considered abiotic factors? Choose all that apply a. Interactions among a fish
b. water
c. rocks and shells
d. algae that gets energy from the son.

PLS HELP

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium