The expected life of most lead-acid batteries is

Why is it okay to have a radioactive alpha source in a smoke detector in your house?

True or false scientific inquiry incorporates many scientific methods

Which of the following could be used to sterilize plastic petri plates in a plastic wrapper? A) ultraviolet radiation B) microwaves C) autoclave D) sunlight E) gamma radiation

Anybody know where I can find a list of all the physics 1 equations and or variables?

Your town is considering building a hydroelectric power plant. Describe at least two advantages and two disadvantages of this project. Based on these factors would you recommend that they continue with the project or consider other options?

For water vapor to turn back i to a liquid what do you do to it's temperature

How long will it take a car that is moving at 60 miles per hour to travel 120 miles?

Calculate the force required to give 380kg car an acceleration 10m/s square

A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.2 s later. If the speed of sound is 340 m/s, how high is the cliff?

If a decision was made to increase agriculture fertilizer application, which would be an example of a negative trade-off based on this decision? A) excessive nutrients B) farm profits increase C) increase crop production D) consumer prices decrease