Which countries have high productivity, but are not among the top 10 for human development? Check all that apply.

Australia

France

Singapore

Canada

Belgium

Luxembourg

Iceland

How does energy change from one form into another inside an animal?

The mass of a hot air ballon including its cargo is 320 kg. the hot air inside it has a density of 1.19 kg/m^3. the density of the outside air is 1.29 kg/m^3. what is the buoyant force acting on the ballon when it is floating above the ground?

Which is a result if using a machine

How many photons are in a laser pulse of 0.363J at 657 nm?

What is the independent variable of the catapult?

How many atoms are in a sample of 1.83 moles of potassium (K) atoms? A) 3.04 * 10-24 atoms K B) 3.29 * 1023 atoms K C) 1.10 * 1024 atoms K D) 6.02 * 1023 atoms K

If a single mutation turns off the growth of some pairs of legs within an organism, what's most likely affected? a. A substituted gene b. A deleted gene c. A duplicated gene d. A Hox gene

car slows down from 20 m/s to rest in a distance of 85 m. What was its acceleration, assumed constant?

On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 kg/m3, length 78.4 cm and diameter 2.30 cm from a storage room to a machinist. Calculate the weight of the rod, w. Assume the free-fall acceleration is g

All ions are atoms with a what? A. positive charge B. Negative charge C. Charge D. Neutral charge