You are presented with the question "what happens to fibers after muscle activation?" and the following answer choices: - It expands - Localized damage - It decreases - get shorter - they bend - rapid expansion - sweating - movement Now knowing that muscle contraction occurs when muscle fibers get shorter and muscle activation is a prerequisite for muscle contraction, choose the best answer.
get shorter
(Question)
You are presented with the question "Where are coral reefs found?" and the following answer choices: - swamps - it can be seen - more abundant - ocean salt water - salt and water. - cold water - food and shelter - great lakes Now knowing that marine biomes are found in the salt water of the ocean and coral Reefs Coral reefs are marine biomes that are unique to tropical seas, choose the best answer.
(Answer)
ocean salt water
Ques: You are presented with the question "What prevents erosion on dunes?" and the following answer choices: - streams - cacti - wind - LEDs - fibrous - grass - fibers - bamboo Now knowing that sand dunes are formed by the wind transporting and depositing sand and dune grass is very important to the preservation of sand dunes, choose the best answer.
Ans: grass
(Q).
You are presented with the question "What enters the eye through the pupil and. falls on the retina to make an image?" and the following answer choices: - photons - epidermal - sun's heat - our star - energy - an object - sunlight - movement Now knowing that when light enters the eye through the pupil , that light falls on the retina and light is made of photons , choose the best answer.
(A).
photons
Ques:You are presented with the question "A radio converts electrical energy into what?" and the following answer choices: - speed - pictures - light - warmth - photons - engines - sound - motion Now knowing that aradio converts electrical energy into vibrations and sound, a type of energy, is produced by vibrations and travels in waves, choose the best answer.

Ans:sound
Ques:You are presented with the question "What do the building blocks of DNA bind together to form?" and the following answer choices: - A compound that donates proton - colors of the spectrum - Electrical energy - chain called a polynucleotide - Something with exactly eight protons - Something that makes plants green - Something with a head, thorax, and abdomen - biological diversity Now knowing that many nucleotides bind together to form a chain called a polynucleotide and nucleotides are the building blocks of DNA , choose the best answer.

Ans:
chain called a polynucleotide