The molar mass of hydrogen (h2) is 2. 02 g/mol. A sample contains 4. 00 mol of h2. What is the mass, in grams, of this sample?.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.