Consider the reaction below. 2h2 + o2 --> 2h2o how many moles of water are produced from 13.35 mol of oxygen? 6.675 mol 26.70 mol 53.40 mol 66.75 mol

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

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

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.