What does the atomic number tell us about an atom of a certain element?

What is the ability of the body to function successfully and effectively during physical activity

Which of these is a process by which water, carbon dioxide, and energy are formed? Which of these is a process by which water, carbon dioxide, and energy are formed?

While sleeping, a 15.5 kg dog exerts a downward force on the ground. What is the magnitude of the upward force being exerted on the dog by the ground?

In a vacuum, two particles have charges of q1 and q2, where q1 = + 4.2C. They are separated by a distance of 0.31 m, and particle 1 experiences an attractive force of 4.5 N. What is the value of q2, with its sign?

If an air conditioning compressor weighing 300 lb had to be lifted 4 ft to be mounted on a base, how many ft-lb of work must be accomplished?

What is the weight, in n, of an object with a mass of 200 kg at a location where g = 9.6 m/s2. round the final answer to the nearest whole number?

A 1.7 kg book is lying on a 0.77 m - high table. You pick it up and place it on a bookshelf 2.0 m above the floor. how much work does gravity do on the book?

What is the difference between diffusion and osmosis?

Suggest and explain two ways to reduce heat loss through the doors of the house.

If the length of the ramp is 2m and the height of the ramp is 1m, what is the mechanical advantage?