A paleontologist found a fossil Of an organism that looks like a modern day fern. Which would most likely assist the paleontologist in proving that the two
Organisms are related

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

The scientist can conclude that there is a decrease in the natural resources due to human activities. because of innovation and modernization of the environment, then there goes pollution and other bad effects that destroys the natural resources.

D. coal i hope that

Ones bigger then than the other