Choose the best answer
1. What do you get if you mix common bacteria and vinegar.
The word common means
a. multiple
b. ordinary - the answer
c. lower-class
d. poisonous
2. It is a serious question. The answer is you get bacteria that eat toxic waste and turn that waste into salt.
Waste means
a. misuse
b. litter
c. unwanted by-products - the answer
d. leftovers
3. Scientist have proposed a new, beneficial use for bacteria called bioremediation.
Beneficial means
a. cutting-edge
b. ordinary
c. advantageous - the answer
d. extraordinary
4. Scientists introduced one type of bacteria into water that contained dissolved uranium.
Introduced means
a. begun
b. exchange names
c. added
d. started
How is this English??
4. added
Well, it is vocabulary :)
I am assuming the rest of the answers to the questions were correct.
Yes.
To choose the best answer, let's break down the questions and their options one by one:
1. What do you get if you mix common bacteria and vinegar?
To understand the meaning of "common," we can look at the provided options:
a. multiple
b. ordinary - the best answer
c. lower-class
d. poisonous
To choose the best answer, we need to understand the context. In this case, "common bacteria" refers to bacteria that are commonly found or widely known. Therefore, the best answer is b. ordinary, as it implies that the bacteria being referred to are not rare or extraordinary.
2. It is a serious question. The answer is you get bacteria that eat toxic waste and turn that waste into salt.
Waste means
a. misuse
b. litter
c. unwanted by-products - the best answer
d. leftovers
To find the best answer for "waste," we need to consider the context. In this case, waste refers to something that is being consumed or processed by bacteria. Among the given options, c. unwanted by-products is the best answer as it aligns with the idea that the waste being referred to is a result or by-product that is unwanted and needs to be dealt with.
3. Scientist have proposed a new, beneficial use for bacteria called bioremediation.
Beneficial means
a. cutting-edge
b. ordinary
c. advantageous - the best answer
d. extraordinary
To determine the best answer for "beneficial," we should consider the context provided. The sentence mentions that the proposed use of bacteria called bioremediation is new. In this context, "beneficial" refers to something that is advantageous or helpful. Therefore, c. advantageous is the best answer.
4. Scientists introduced one type of bacteria into water that contained dissolved uranium.
Introduced means
a. begun - the best answer
b. exchange names
c. added
d. started
To find the best answer for "introduced," we can analyze the context. The sentence states that scientists introduced one type of bacteria into water containing dissolved uranium. In this case, "introduced" means they started or initiated the presence of the bacteria in the water. Therefore, a. begun is the best answer.