Two hours of moderate exercise every week can reduce the risk of developing heart disease by 30%.

The ph of your mouth is very similar to that of stomach. true or false?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque