(Q).
You are presented with the question "what type of paper does not require cutting down trees?" and the following answer choices: - windpower operated machines - deoxyribonucleic acid - uncoated freesheet - slow and inefficient - objects that have mass - A solid geometric shape - barrel-shaped - It remains dormant Now knowing that creating wood-free paper does not require cutting down trees and most uncoated freesheet paper is entirely free of mechanical wood pulp, choose the best answer.
(A).
uncoated freesheet

(Q).
You are presented with the question "what propels a spacecraft?" and the following answer choices: - sunlight - energy - friction - photons - heat - moon - thrust - engine Now knowing that producing thrust causes something to move and another way to move a spacecraft is to thrust with gas jets, choose the best answer.
(A).
thrust

(Q).
You are presented with the question " When a mirror reflects photons it creates" and the following answer choices: - an image - vibrations - sunlight - energy - heat energy - an object - motion - heat Now knowing that an image in a mirror is formed by reflecting light and light is made of photons , choose the best answer.
(A).
an image