Three oxygen isotopes

Hana fills a cup with sandy ocean water. She pours the mixture through a filter. What does she collect that passes through the filter? a sample of pure water a solution of salt in water a suspension of sand in water a colloid of salt in water

A metal bar is elongated by 2mm when put under a certain amount of tension. How much will it be elongated if the tension is doubled?

A jetliner has a velocity of 95 m/s. What is the displacement of the jetliner at t=3.0 seconds?

You have a suspect on the run in a dry, wooded area; they've ditched the gun but are hiding from you. how long do you have to find them before vital proof they fired a gun will probably no longer be on their body? A. a few hours B. about 24 hours C.

Heated air molecules in a hot air balloon soon carried thermal energy to the top of the balloon. this is an example of ... conduction. Convection. Radiation. Cooling.

What is most likely the relationship between Mendel's rules of genetics and Darwin's idea of biological evolution? Mendel's genetics states laws that are now part of the theory of biological evolution.

Why would it be a problem if your household appliances were connected in a series circuit

An object with a mass of 100 g is in free fall. What is the speed of the object after it has fallen for 4 seconds? A. 39 m/s B. 9.8 m/s C. 25 m/s D. 96 m/s

How was the water filtered to remove debris and living organisms?

What causes physical vibrations in transformers at twice the frequency of the AC power involved.