Which theory of the spread of human beings is supported most by modern evidence?

A. Ice cap theory

B. Multi-regional theory

C. Out of Africa theory

What is an output force? A. the force a simple machine applies to an object B. the applied force on a system C. the net force on a system D. the force a person applies to a simple machine

Materials with a high specific heat can absorb a lot of energy and show little change in temperature true or false

How can i quantified the amount of radon in a particular place?

Name the 3 process that work together to wear down and build up earth's surfaces.

Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.

What is the weight on earth of a girl with a mass of 38 kg?

50g of ice at 0°C is mixed with 50g of water at 80°C, what will be the final temperature of a mixture in degrees C?

If the Density of an object is 5.2 g/cm3, and its volume is 3.7 cm3, what is its mass

The direction of the magnetic field is determined by which of the following? A. energy of the current B. magnetic domain C. magnetic force D. direction of the current

A ship is traveling at 154 m/s and accelerates at a rate of 1.80 m/s^2 for 1 minute. What will its speed be after that minute? Calculate the answer in both meters per second and kilometers per hour.