Design an experiment to test your hypothesis about exercise and heart attacks. Label your Independent variable, your dependent variable and your control group.

Which accounts for an increase in the temperature of a gas that is kept a constant volume

If element x has 99 protons how many electrons does it have

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?