An isotope has a half life of 2 days. After 6 days, how much of the original material is left?

A. 12%

B. 12.5%

C. 30.2%

City A and City B are located far apart at the same latitude. City A has a much greater annual temperature range than City B. The most likely explanation for this fact is that City A a. is lower in elevation than City B. b. is cloudier than City B.

Name 3 potential sources of heat ignition that can be found in a care home

What is a substance with a ph of 13

Which term refers to the bending of light rays when they encounter the edge of a barrier? A interference B reflection C refraction D diffraction

You lift a 25-kg child 0.80 m, slowly carry him 10 m to the playroom, and finally set him back down 0.80 m onto the playroom floor.

Is momentum conserved in the collision?

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

In a laboratory, you determine that the density of a certain solid is 5.23*10-6kg/mm3. Convert this density into kilograms per cubic meters.

List the solar objects in correct order from the Sun. Venus Earth Mercury Saturn Neptune Mars Jupiter Asteroid Belt The Sun Uranus

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. The area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?