(Question)
If coral polyps form reefs, then what do coral polyps form? Answer choices: - lagoon - graptolites - a cuticle - barnacles - bioaerosols - cave - coral reef - salt and water.
(Answer)
coral reef

(Question)
If electrical exposure can can cause harm to an organism, then what can cause harm to an organism? Answer choices: - Pesticides - a pathogens - Electrical exposure - electricity - Electrical energy - sales - children - food
(Answer)
Electrical exposure

(Question)
If a fish converts oxygen in water into oxygen in blood, then what converts oxygen in water into oxygen in blood? Answer choices: - sharks - germs - Enzymes - starfish - rivers - Jellyfish - streams - a fish
(Answer)
a fish