The cycle of the moon through its phases, or the synodic month, is a. 21 days long. b. 27 1/3 days long. c. 29 1/2 days long. d. 30 days long.

Which gas in the atmosphere protects living things from ultraviolet light? A. Carbon dioxide B. Water vapor C. Ozone D. Oxygen

Express 0.00005 s in µs.

what is the current if 12 ohm and 4 ohm resistors are connected in parallel and 12 V potential difference is applied

Do you think you could identify a mystery substance using only its mass or weight? Explain your answer.

A cell is classified as eukaryotic if the cell A. has a cell wall. B. contains a nucleus. C. contains chloroplasts. D. lives in the absence of oxygen.

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

A skateboarder is accelerating forward. How would his acceleration change if he had more mass? A. His acceleration would decrease. B. His acceleration would be zero. C. acceleration would stay the same. D. acceleration would increase.

What is phanerogam? mention it's two group

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

What is electrical conductivity?