Scientists always prove or disprove their explanations by?

What should Ben wear to best protect himself during the experiment? heat-proof gloves, a lab coat, and close-toed shoes a lab coat, chemical gloves, and close-toed shoes goggles, a lab coat and heat-proof gloves goggles, a lab coat, chemical gloves,

Latitude where each of the following types of winds- polar easterlies westerlies trade winds

How long does it take a car to cross a 30.0 m wide intersection after the light turns green, if the car accelerates from rest at a constant 2.00 m/s2.

Which of these best describes heat? total thermal energy degree of warmth transfer of thermal energy average kinetic energy

In which of the following situations is the most work done on the object? A. Holding a 50 kg object. B. Carrying a 30 kg object down a 40 m long hallway. C. Lifting a 20 kg object 1 m up. D. Carrying a 15 kg object up a flight of stairs. E.

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?

Two descriptions about physical quantities are given below: Quantity A: It is a force. Quantity B: It changes when the object travels from Earth to Earth's moon. What quantities are these most likely describing? A.

How does the tilt of Earth's axis affect how the sun's rays strike Earth?