How many oxygen atoms are

needed for each of these atoms?

What is ___ heating of a liquid__ gas to liquid

In the 1950s and 1960s technology such as television and satellites revolutionized life in many big and small ways. Which was one of the results?

13. How many feet high do you think you could jump on the moon?

Why does a black asphalt road becomes hotter than a white cement sidewalk in the same amount of sunlight?

What is the general defination of parallax?

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 374 g of helium. What is the density of helium in grams per liter?