Which of the following is true about "natural" steroids?

A. they are illegal to use in most sports

B. they do not work better than high-protein foods.

C. they are safe substitutes for anabolics.

D. they will bulk up muscles just like anabolics.

The oxidation number of lead (Pb) in the compound PbCl2 has to be

14 during which phase of the moon can a solar eclipse occur? a. new moon b. full moon c. third quarter d. first quarter

Two tug boats are towing a large boat, of mass M kg, back to shore. Tug boat 1 is pulling with a force of T1 N at an angle of 25 degrees north of the forward motion and tug boat 2 is pulling with a force of T2 N at an angle of 25 degrees south of

According to Kepler, which planet travels the fastest?

A teacher sends her students on a treasure hunt. She gives the following instructions: 1. Walk 300 m north 2. Walk 400 m northwest 3. Walk 700 m east-southeast and the treasure is buried there.

Some lactic acid in the muscles dissipates during.

When two waves undergo complete, constructive interference, which of the following increases? A. speed B. amplitude C. wavelength D. frequency

Pressure = Force Area The formula above shows how pressure relates to force and area. For example, the pressure exerted by a fluid is equal to the force of the fluid divided by the area over which the force is applied.

1. Most waves are caused by vibrations. What motion in a transmitting antenna causes the vibrations that produce radio waves? 2. Name two common household appliances that produce electromagnetic waves other than radio waves.

A 3.70 kg block moving 2.09 m/s right hits a 2.42 kg block moving 3.92 m/s left. Find the total momentum of the system.