An image in a mirror is formed by reflecting light, and reflectance is the ratio of light out to light in. Given these facts, an image is formed where by the ratio of light out to light in among the following options: - fronts - Smooth - segmented - Joules - two - mirror - an object - photons
mirror

(Question)
Plant reproduction requires pollination, and perennial types are planted outside in spring. Given these facts, what reproduction requires pollination among the following options: - humans - They lay eggs - Tropical - bees - insects - subtropical - perennials - heterotrophs
(Answer)
perennials

Ques: Blowing air into a whistle causes air to vibrate inside the whistle, and sounds are vibrations in air. Given these facts, what creates sounds among the following options: - energy of moving objects - chemical messengers - the body's largest organ - peace - Thinking hard - Blowing a whistle - Electrical energy - death
Ans: Blowing a whistle

(Q).
Sight is the ability to sense light, and the eye is the organ that senses light, and light enters the eye and an image is focused on the retina. Given these facts, what is it called when light allows an image to be focused on the retina among the following options: - Blindness - photons - lenses - Cognition - Mirrors - Seesaw - Sight - Summer
(A).
Sight

Ques:Sweat is used for adjusting to hot temperatures by some animals, and all humans are animals. Given these facts, what uses sweat to adjust to hot temperatures among the following options: - omnivores - dogs - bears - Mammal - h2o - humans - pigeons - clouds

Ans:humans

Playing is one way mammals and other animals learn how to behave, and dogs learn many social rules through play. Given these facts, how are dogs trained on how to behave among the following options: - Summer - during the day - By getting older - Movement - exercise - By sleeping - Through walks - Through play
Through play