Think about the readings. A claim is made that ice cooling is a good way to cool large buildings. Make an argument to support this claim. Give reasons and evidence from the texts. You may already know about air conditioning and temperature control. If so, tell that information, too.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

answer: b

coz red blood cells marrow and circulates the body for 120 days.

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy