Scientists conduct scientific investigations for which of the following reasons?
I. to discover new things about the natural world

II. to explain observed phenomena

III. to test the conclusions found in previous research

IV. to test the predictions of current theories

A. I and II only
B. III and IV only
C. I, II, III, and IV
D. III only

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

Grade 91.)the gravitational pull from the moon words).2.) what is the rate of gravitational 3.)if you drop a hammer, is it more likely to drop handle side down, head side down, or equal chance that it will land either way? why? 4.)a car moves 60km east and 90km west.a.) what is the distance the car traveled? b.) what is the car's displacement5.)what is the average velocity of a car that moved 60 km south in 3 hours? 6.) a car starts from rest and acceleration to 60 m/s over a time of 5 seconds. what is the acceleration of the car? 7.)what is the speed of an object at rest?

As an asteroid comes close to earth, it's name will change to? apex