You are presented with the question "What can be seen with our eyes?" and the following answer choices: - motion - sound - screams - laughter - sunlight - mirrors - Echinoids - movement Now knowing that an image in a mirror is formed by reflecting light and light is all our eyes can really see, choose the best answer.
mirrors
(Question)
You are presented with the question "what can cause the ph of soil to decrease?" and the following answer choices: - Greenhouse gasses - contamination - fossil fuels - chlorofluorocarbons - incinerated mercury - harmful substances - Greenhouse gases - Temperature Now knowing that air pollution can cause the pH of soil to decrease and incinerated mercury pollutes the air, choose the best answer.
(Answer)
incinerated mercury
Ques: You are presented with the question "What can happen to an oak's leaves when the oak grows?" and the following answer choices: - they increase in size - Localized damage - Earth revolving around the sun - they decrease in size - Exfoliation - The bending of a ray of light - they catch fire - they float into space Now knowing that when a plant grows , the size of the leaves of that plant may increase and all oaks are plants, choose the best answer.
Ans: they increase in size
(Q).
You are presented with the question "germs that cause people to get sick contain what but not much else?" and the following answer choices: - gene - HPV - mold - CFCs - RNA - zinc - p53 - DNA Now knowing that viruses contain DNA but not much else and viruses are germs that cause people to get sick, choose the best answer.
(A).
DNA
Ques:You are presented with the question "What happens to vomitus so that toxic materials are removed from the stomach before they are absorbed?" and the following answer choices: - toxins - dissolved - expelled - dangerous - evaporation - uncontrolled - soaked up - decreased Now knowing that the vomiting reflex is used to remove toxic material from the stomach before it is absorbed and if vomiting occurs, turn the victim's head so that the vomitus is expelled, choose the best answer.

Ans:expelled
Question: You are presented with the question "a firecracker converts chemical energy into what?" and the following answer choices: - kinetic energy - Loud noises - vibrating waves - An object is seen - electromagnetic energy - deoxyribonucleic acid - hydrogen and oxygen - harmful substances Now knowing that afirecracker converts chemical energy into sound and sound waves vibrate, choose the best answer.
Answer:
vibrating waves