State what each of the following balls represents. (1) Glass marble:
(2) Football:
(3) tennis ball:

(b) State the distance from the Earth to the Sun relative to the distance from the Earth to the
Moon

(c) What is the relationship between the Moon and the Earth?

How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?

The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?