You want to build a jump for your bike. Your dad said you can use the pile of dirt out behind the garage for it.

Explain in complete sentences the different steps and the various simple machines

you would use to complete this activity

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

What are similarities and differences between refraction, reflection, diffraction and absorption?