How did humans decide how long a year should be

Where can you find the connective tissue in the human body?

An astronaut (mass of 100 kg, with equipment) is headed back to her space station at a speed of 0.750 m/s s but at the wrong angle. To correct her direction, she fires rockets from her backpack at right angles to her motion for a brief time.

Which has more inertia? Group of answer choices A. cow eating grass in the field. B. cat napping C. honeybee buzzing around a flower. D. bird flying.

Light from a 504-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 17°. What is the angle of reflection (in degrees) from the surface?

What is the total energy of all the particles in a substance?

What's another name for pure substance

How could you demonstrate that visible white light is composed of many different colours?

1500 Joules of work are done lifting a 500 N weight. How high was the weight raised as a result of this work?

A pelican flies at a speed of 52 km/h for 0.25 hours. how many miles does the pelican travel?

When must batteries in an emergency locator transmitter (ELT) be replaced or recharged, if re-chargeable?