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

The substance that gets broken down in a homogeneous mixture is the.

Why does time slow down the closer you get to a black hole, I know that time slows down the faster you move through space and the closer you get to the speed of light, but how does being near a black hole slow time down even futher?

What is the relationship between wavelength and frequency

When sinkholes expand, creating isolated towers of rock, what is occurring? A. Rainwater is becoming more acidic B. Mature karst topography is being eroded C. Young karst topography is evolving into mature karst topography D.

Diffinetion of sound motion

A vector of magnitude 20 is added to a vector of magnitude 25. The magnitude of this sum. might be:. A. zero. B. 3. C. 12. D. 47. E. 50

Calculate the gravitational potential energy of a 10kg box on the top shelf of a closet, 2m above the floor

In late adulthood, changes in memory may bot be inevitable however, any decline in memory tends to invite

On october 15, 2001, a planet was discovered orbiting around the star hd 68988. its orbital distance was measured to be 10.5 million kilometers from the center of the star, and its orbital period was estimated at 6.3 days.

A container of rocks with a mass of 65.0 kilograms is brought back from the moon's surface where the acceleration due to gravity is 1.62 meters per second2. what is the weight of the container of rocks on earth's surface?