Radar use reflected microwaves to detect objects and measure their ... what?

A. Distance and speed

B. weight and volume

C. Wavelengths and frequency

D. Height and depth

A wool cloth becomes positively charged as it A) loses electrons B) gains protons C) loses protons D) gains electrons

What should be changed to make the following sentence true? ""acrophobia is characterized by intense fear

Does the neutron have a charge? explain your answer.

Answer to group of organisms that share similar characteristics and can reproduce among themselves producing fertile offspring

An electromagnetic wave traveling through space encounters an electron sitting at rest. Upon being hit by the wave, which way will the electron move? A. It will bob up and down with the crests and troughs B.

The ball is moving at a constant speed of 0.5 m/s for 2.3 seconds how far does it go?

Which of these is a mixture? calcium carbon dioxide salt water potassium

A train travels 80 kilometers in 2 hours, and then 79 kilometers in 4 hours. What is its average speed?

What does it mean when we say science is a cycle?

1) Which is a characteristic of a metal? A) It looks dull. B) It feels brittle. C) It is a good insulator. D) It is a good conductor of electricity. 2)