The natural resources industry faces which of the following challenges represented in the following quote? President Franklin D. Roosevelt said, "We must lay hold of the fact that economic laws are not made by nature. They are
made by human beings."
when passing new regulations
when producing a new product
balancing business interests with resource preservation interests
balancing political interests of both parties when presenting new regulations

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

it's false. hope i .

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101