What is a newton?
a. the time it takes to move 1 kilogram
b. the force it takes to change the speed of 1 kilogram by 1 m/s in 1 second
c. the speed it takes to move 1 kilogram mass in one hour

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Which subatomic particle has a negative charge

Which of the following are guidelines to follow for obtaining accurate observations