Why do spiral galaxies appear blue in color?

You and your neighbour are shovelling snow. If your neighbour pushes a shovel four times as far as you do but exerts only a half the force, which one of you does more work and by how much?

When condensation rates decrease, causing fewer clouds to form, how might humans change their behavior?

How how would scientist describe a sunset

When sea ice forms in the ocean, the salinity of the surrounding ocean water would?

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?