What two advances have helped to slow the death rate and therefore allowed the world population to rise?

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?

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.