A screw incorporates which other simple machine?

lever

wheel and axle

inclined plane

pulley

Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors. Over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.

A simple pendulum consists of a ball connected to one end of a thin brass wire. The period of the pendulum is 2.51 s. The temperature rises by 142 C°, and the length of the wire increases. Determine the change in the period of the heated pendulum.

Which of the following best describes the impact of rainforest deforestation on global precipitation? a. The average global level of precipitation increases. b. The average global level of precipitation decreases. c.

A certain radio wave has a frequency of 2.0x10^6 Hz. what is its wavelength?

Which statement is true about the loudness of sound? A. It is directly proportional to the distance of the listeners from the source. B. It is inversely proportional to the square of the distance of the listener from the source. C.

A truck is using a hook to tow a car whose mass is one quarter that of the truck. If the force exerted by the truck on the car is 6000 N, then the force exerted by the car on the truck isa. 1500 Nb, 24000 Nc, 6000 Nd, 12000 N

A car traveling at a speed of v can brake to an emergency stop in a distance x. assuming all other driving conditions are all similar, if the traveling speed of the car doubles, the stopping distance will be

Why would an orange roll off your cafeteria tray if you stopped suddenly

Each shell is limited to a maximum of four electrons. True or False?

What is a hypothesis answer sentence for a lemon battery experiment