Adoorbell converts electrical energy into sound, and after a beat, the door chime sounds. Given these facts, what does a doorbell convert electrical energy into among the following options: - light - heat - energy - a shockwave - organ - messengers - waves - a chime
a chime

(Question)
Water vapor cooling causes that water vapor to condense, and water is made up of H2O molecules. Given these facts, what type of vapor cooling causes that vapor to condense among the following options: - Dew - CO 2 - CFCs - rain - SO2 - H20 - NaCl - h2o
(Answer)
h2o

Ques: Aflashlight requires a source of electricity to produce light, and electricity flows when a battery is connected to an object like a watch, toy, or flashlight. Given these facts, how do flashlights produce light among the following options: - energy - direct energy - By being plugged into the wall - Using magnets - Batteries - energy usage - adding heat - Solar power
Ans: Batteries

(Q).
Active immunity results when an immune response to a pathogen produces memory cells, and mechanisms by which intracellular pathogens evade activation of the cell mediated immune response. Given these facts, what results when intracellular pathogens evade activation of the cell among the following options: - resistance - Leptospirosis - major threat to health - Allergies - hospitalization - Localized damage - active immunity - massive damage
(A).
active immunity

Ques:Roundworms reproduce sexually, and roundworms Nearly all puppies and kittens have roundworms. Given these facts, something that nearly all puppies and kittens have do what among the following options: - it keeps an organism warm - major threat to health - live forever - increases a body's strength - eat beans - reproduce sexually - reproduce - float

Ans:reproduce sexually

Ques:Mammals generate heat mainly by keeping their metabolic rate high, and pugs are mammals and mammals shed. Given these facts, what generates heat mainly by keeping their metabolic rate high among the following options: - humans - Birds - bats - cats - voles - pugs - pigs - shrews

Ans:
pugs