Which types of matter are made of atoms

When the temperature of the air is 50°C, the velocity of a sound wave traveling through the air is approximately? A. 381 m/s B. 30 m/s C. 361 m/s D. 50 m/s

What is the difference between scattering and reflection, refraction, transmission and diffraction?

To support a choking infant, Fernando held her face down in one hand, with her torso on his forearm and his forearm on his thigh. He slapped the infant five times between her shoulder blades with the heel of his other hand.

What is the reason nemo is called shark bait?

Why aren't descriptive investigations repeatable

Part C At what speed does the wreckage move if one car was driving north and one east? Express your answer to two significant figures and include the appropriate units. ! HA C ? Value Units Submit Request Answer Provide Feedback

Which person below is experiencing a delusion? A. Imani, who reads a lot and thinks she will go to an Ivy League school O B. Nia, who thinks that she is the daughter of the president and an extraterrestrial O C.

Large amounts of water that quickly infiltrate soil on a sloped surface can A. slow down the effects of mass movement by making the soil thicker and more resistant to flow B. hold soil particles together and reduce the stress on the soil C.

Our Sun radiates 4 X 10^26 Joules of energy each second it shines. Calculate how many 50 megaton hydrogen bomb explosions would be needed to produce the same 4 X 10^26 Joules of energy that the Sun radiates in one second.?

What was Operation Overlord? a. the code name for the Allied invasion of Normandy b. the code name for the Axis invasion of France c. the code name for the project to build atomic bomb d.