If biomass is the total mass of primary consumers, then what is the total mass of primary consumers? Answer choices: - Plants - animals - food - Mountains - Biomass - decreases - all matter - Weight
Biomass

If aAA lithium cell converts chemical energy into electrical energy, then what converts chemical energy into electrical energy? Answer choices: - sensory neurons - AA lithium cell - rotten food - Firecrackers - an engine - deoxyribonucleic acid - magnets - plants
AA lithium cell

If water and wind can have similar consequences on soil, then water can have similar consequences on soil like? Answer choices: - wind - death - Injury - sunlight - force - harm - animal fur - trees
wind

If abatter causes the particles of a ball to vibrate, then what does a batter cause the in the particles of a ball? Answer choices: - friction - heat energy - vibration - Temperature - suspension - destruction - sweating - explosion
vibration