How much energy is passed from organism to organism as it moves through an ecosystem (food chain)? a
10%
b
50%
c
30%
d
100%

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

What is the mass of 0.46 mol of mgcl2

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)