How could a person easily tell which envelope contained four sheets of paper and which contained five sheets without opening the envelopes what assumption did you make in arriving at your answers

What is the current through a 75 W lightbulb when it is connected to a standard (110 V) line?

What three types of organisms make up a food chain?

A 2500 N force accelerates a car at a rate of 3.0 m/s^2. What is the car's mass? 250 kg 2500 kg 830 kg 8200 kg 7500 kg

Which is an example of gaining a static charge by conduction? A) Rubbing a balloon against your hair. Light 2:00 Tools Shuffling your shoes across a carpet. o Bringing a charged rod near an electroscope.

Why have astronomers placed telescopes in space?

Life cycle of a medium mass star

Use the periodic table to complete this equation that represents the process of nuclear fusion. Superscript 14 Subscript 7 Baseline N + Superscript 1 Subscript 1 Baseline H yields Superscript A Subscript B Baseline C

Josh rolled a bowling ball down a lane in 2.5 seconds. The ball travelled at a constant acceleration of 1.8 m/s/s down the lane and was traveling at a speed of 7.6 m/s by the time it reached the pins at the end of the lane.

How many meters of the rock wall eroded between 1910 and 1927?

As air temperatures increase, evaporation increases. Warmer temperatures also increase the capacity to absorb water vapor. More water vapor in the atmosphere accelerates the greenhouse effect.