2. A major abiotic factor in fresh- water ecosystems is the
a. source of the water.
b. speed of the water.
C. width of the stream or river.
d. None of the above

What’s the percent by mass of carbon in c10h14n2

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83