If the frequency of a sound wave is 990 Hz, calculate its wavelength.

A compound that releases hydrogen ions in solution would most likely have which chemical property? It would react with metals to form a salt and water. It would react with nonmetals to form a salt and water.

Why did corn borers increase after the fields were sprayed for beetles? had more corn to eat their natural predator was gone were protected by the spray

True or false science requires theories that can be tested by research.

What term is used in heart and lungs

What did Thanos say? I am ... A. Hungry B. Sad C. Happy D. Purple

During a collision, a bus runs into a skateboarder inelastically. If the mass of the skateboarders is 70 kg and is moving at 12 m/s to the right, what is the final velocity of the skateboarder if the 2000 kg bus is traveling at 25 m/s to the left

What are hypotheses suggesting why urban children have more food allergies than children from rural areas? Select the TWO answers that are correct.

Which is a correct statement of what occurs at a turbine during electricity production?

2. Which graph shows a possible voltage profile over time for a 12 V lantern battery as it provides power to a bank of electric lights?

How would you describe the interaction between opposite (N-S or S-N) magnetic pols?