Which of these is most likely true for two organisms, A and B, in competition? Group of answer choices

A feeds off B and B is harmed

Both A and B feed off one another

Both A and B are deprived of a resource

A gains a resource and B is deprived of it

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)