The earth's magnetic field extends from the center of the earth to outer space.

Which object would a geologist date using carbon-14 dating? A. a dinosaur fossil B. a woolly mammoth fossil C. an ancient volcanic rock D. an igneous rock

The order of magnitude of the distance from the sun to earth is

What is a lunar eclipse 2 paragraph

4) Which of the following best refers to an air mass that forms over tropical land? a) TC b) AC c) TE d) PM 5) Which of the following best defines a warm front?

A golfer tees off and hits a golf ball at a speed of 31 m/s and at an angle of 35 degrees. How far did the ball travel before hitting the ground? Round the answer to the nearest tenth of a meter.

When the velocity of a mass on a spring is zero, the acceleration is at

Which is a disadvantage of using wind as an energy source? Check all that apply. It may be unreliable. It is not naturally occurring. It produces a lot of waste. It requires wires to carry electricity. It generates large amounts of electricity.

One step in the production of hydroelectric power involves

A pot is heated on a stove. The water begins to boil rabidly. Which explains why the water is boiling fast?

A galvanometer can be calibrated to read electric A) current B) Voltage C) either of these D) neither of these