You are presented with the question "What could prevent a light bult from turning on?" and the following answer choices: - sensory neurons - herbicide - A resistor - focusing a lens - evaporation - heat energy - heating liquids - energy barrier Now knowing that when electricity flows to a light bulb , the light bulb will turn on and materials that control the flow of electricity are called resistors, choose the best answer.
A resistor
(Question)
You are presented with the question "What increases the rate of all the chemical processes in living organism cells?" and the following answer choices: - Thyroid hormones - Blood Cells - Hair Follicles - oxidation reaction - Temperature changing - Skin Cells - temperature - heat energy Now knowing that thyroid hormones increase the rate of metabolism in cells throughout the body and metabolism is the sum of all the chemical processes in a living organism, choose the best answer.
(Answer)
Thyroid hormones
Ques: You are presented with the question "What can cause a wire to heat up?" and the following answer choices: - soil - ice - waves - LEDs - motors - coal - silt - copper Now knowing that electrical current running through a wire causes that wire to heat up and raw coal can be burned to produce electricity, choose the best answer.
Ans: coal
(Q).
You are presented with the question "When the body is hot, what cools the body?" and the following answer choices: - Movement of an air mass - Something with a head, thorax, and abdomen - Something coming from a gland - Something from a shirt - heat is produced - Something from an organ - Chemical energy - Something from a bone Now knowing that when the body is hot , sweat is produced to cool the body and sweat glands produce more sweat, choose the best answer.
(A).
Something coming from a gland
Ques:You are presented with the question "What is the chemical element with symbol N and atomic number 7 found in?" and the following answer choices: - Chlorophyl - Petals - Mitochondria - A Greek letter - Cytoplasm - acetic acid - Acids - fossil fuels Now knowing that nitrogen is found in proteins, nucleic acids, and chlorophyll and absorption of nitrogen by plants is part of the nitrogen cycle , choose the best answer.

Ans:Chlorophyl
Ques:You are presented with the question "What does a porcupine do with its spines when it's threatened?" and the following answer choices: - killing insects - Shoot them - kill them - protect them - Extend them - Shed them - Retract them - behave Now knowing that threatening behavior by predators causes a porcupine to extend its quills and puffers are smooth skinned while Porcupines have the characteristic spines or quills, choose the best answer.

Ans:
Extend them