HELPP!! Two students are playing on skateboards. The first student and their skateboard have a combined mass of 99.2. kg. The second student and their skateboard have a
combined mass of 42.3 kg. The two students stand still on their skateboards facing
each other and then push off on each other as hard as they can.

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

What is the correct term for living the most sustainable life you can within your current circumstances?