Which of the following is not a natural disturbance in an ecosystem?
forest fire
volcanic eruption
air pollution
drought

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

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?

Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur