Natural selection. darwin hypothesized that there requisites for natural selection to occur and that there are definite steps to natural selection. note the two models seen here. both of the models illustrate an important requisite for natural selection. that is: a) sexual reproduction must occur. b) survival of the fittest is untrue. c) variation in the population exists. d) genetic sameness reduces the chances of natural selection.

answer; i believe the correct answer to the above question is ( friction)

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.