How long have humans been migrating?

А

2,000 years

about 200,000 years

about 60,000 years

D

1,000 years

Isabel wants to determine the mass of a metal block. What is the SI unit for mass? pound quart kilogram liter

Sonar is used to locate objects underwater by measuring the time it takes an ultrasound sound pulse to reflect back to the receiver. An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic sound that travels 1530 m/s in seawater.

The average speed of a runner in a 400.-meter race is 8.0 meters per second. how long did it take the runner to complete the race?

Which of the following correctly describes the path that light takes when it enters the eye? A. pupil, cornea, lens, retina B. retina, lens, cornea, pupil C. lens, cornea, pupil, retina D. cornea, pupil, lens, retina

How to find out if used car mileage is accurate?

You are at a train station, standing next to the train at the front of the first car. The train starts moving with constant acceleration, and 9.0 s later the back of the first car passes you.

What is an example of water transferring from the atmosphere to the cryosphere?

What is a superconductor?

When you drive from the city to a distant farm, the temperature gets because of the?

How do a joule a watt and a Newton relate to each other