Answer:
A. 0.0451
Explanation:
To determine the amount of significant figures in numbers in science, it is important to follow specific rules:
- A non-zero digit is significant. For example: 0.0211
- Zeros located between two significant numbers are significant. For example: 56.20006
- Trailing zeros in cases of the presence of a decimal point. For example: 434.9100
<em>Option A</em>. 0.0451 has <u>three significant figures</u>: 4, 5, 1.
<em>Option B</em>. 450 has t<u>wo significant figures</u>: 4, 5.
<em>Option C.</em> 32.10 has <u>four significant figures</u>: 3, 2, 1, 0.
Option D. 370.0 has <u>four significant figures</u>: 3, 7, 0, 0.
Therefore, option A. 0.0451 is the correct answer.
Answer:
when RNA strand is made the dna duplicates
Complete question:
Question: Susan was bitten by an Anopheles mosquito and tested positive for malaria. What type of pathogen has caused this infection
a. Bacterium
b. Protozoan
c. Prion
d. Virus
Answer:
b. Protozoan
Explanation:
Plasmodium is the causative agent of malaria and is carried by female Anopheles mosquito. The parasite enters the bloodstream when the female Anopheles mosquito bites. Plasmodium is a parasitic protozoan and belongs to the kingdom Protista. Protozoans are unicellular eukaryotes. They are heterotrophic organisms and derive their nutrition from parasitism or predation. Plasmodium is a sporozoan since its spore life stage of the life cycle is infectious.
The answer is d, since air is a muxture of compounds. a way to differentiate between a muxture and a compound is to see it it is a word you would say normally. for example, you would say air on a normal day. however, you wouldn't say carbon monoxide on a normal day.
hope it helped! :)
