(high-use academic words the word emit means "to give off.)

1. what do vehicles that run on hydrogen fuel cells emit?
my answer

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

2%? i tried finding the exact sorry if it's not 100% correct ; -;

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg