What is the depth of an ocean area if a sound pulse took 4 seconds to travel from the ship, to the bottom then back to the ship, and the speed of sound in this ocean area is 5,000 ft per second? Use the formula below:

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen

Answer barren with few trees, in the northern hemisphere;

Ithink this answer here is a or d