b. chlorofluorocarbons
c. nitrates
d. dust particles
Answer:
The correct answer is option c. "nitrates".
Explanation:
Nitrates are among the most common contaminants and contributors of water pollution, particularly in rural areas. The presence of nitrates in drinking water is one serious problem because it could cause methemoglobinemia, or the "blue baby" disease. Additionally, the presence of nitrates in groundwater is related with the presence of other contaminants, such as bacteria or pesticides.
When Mendel crossed purebred purple flowering plants (PP) with purebredwhite flowering plants (pp), the flower colors of the resulting offspring is: 100 percent purple.
Therefore, it can be said that when Mendel crossed purebred purple flowering plants (PP) with purebred white flowering plants (pp), the flower colors of the resulting offspring is: 100 percent purple.
Learn more about Mendel cross at: brainly.com/question/4441612
A. the Sahel
B. the Sahara Desert
C. the Nile River Valley
D. the Atlas Mountains
Please select the best answer from the choices provided
A
B
D
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Answer:
Pretty sure it's C : The Nile River Valley.
Explanation:
At Oval C, there's a river shown in the shape of the Nile River so I'm 99% sure it's the Nile River Valley.
Answer:
b i just took this and this is the answers they give u please mark brainly
Explanation:
B. 500 per 100,000
C. 1000 per 100,000
D. 5000 per 100,000
This Question is not complete
Complete Question
There were 100 new cases of syphilis last year in a given population of 100,000 people. At that time, 500 people in this population already had syphilis. The incidence of syphilis in this population is __________.
a. 100 per 100,000
b. 500 per 100,000
c. 1000 per 100,000
d. 5000 per 100,000
Answer:
a. 100 per 100,000
Explanation:
Incidence rate of a population can be defined as the rate at which an disease occurs in a population.
The incidence of a population is calculated as
The number of new cases ÷ The population of the people
From the above question,
The number of new cases = 100
The population of the people = 100,000
The incidence = 100 ÷ 100,000
The incidence of syphilis in the population is 100 per 100,000
Answer:
100 per 100,000
Explanation: