Question 2 of 20 Based on their locations on the periodic table, which two elements would you
expect to form positive ions with a +3 charge?
A. Nitrogen, N.
B. Boron, B
C. Phosphorus, P
D. Aluminum, Al

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

What four properties do all waves have in common

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99