Explanation:
Sky appears blue because of Scattering.Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
Explanation:
when an object speeds up,it has positive acceleration.
hope it helps....
10km/hr or 80mph is the possible answer I can give
If the pebble sinks it has a greater density an the twig has a lighter density
just like water and oil. water sits on top of oil because of their density
Answer:
They are affected by weather changes