What percentage of a lower trophic level's energy flows to the next higher trophic level? a. 1% b. 10% c. 50% d. 100% select the best answer from the choices provided a b c d

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.