(Q).
If tropical cyclones convert heat energy into mechanical energy, then what's an example of something that converts heat energy into mechanical energy? Answer choices: - Roller coaster - Tropical cyclone - dangerous - objects that have mass - Electric heater - electricity - Candle - an engine
(A).
Tropical cyclone

(Q).
If plasma cells allow bodies to fight infection, then what do plasma cells allow our bodies to fight? Answer choices: - resistance - parasites - infection - illness - Hostile armies - invasion - hair - Leptospirosis
(A).
infection

(Q).
If earthworms have the amazing capacity to regrow segments that break off, then _have the amazing capacity to regrow segments that break off.? Answer choices: - earthworms - crustaceans - ferns - arachnids - mollusks - roots - cacti - root growth
(A).
earthworms