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Natalka [10]
3 years ago
13

TIME REMAINING 51:02 Between 1940 and 1970 most scientists were already concerned about global warming. Please select the best a

nswer from the choices provided T F
Biology
1 answer:
Iteru [2.4K]3 years ago
3 0

Answer:

False

Explanation:

Most scientists were not yet concerned about global warming. This was because the major issue during the period between 1940 and 1970 was global cooling with little or no attention on global warming.

However things started to change due to more pollution as a result of technological advances. Global warming started becoming a concern between 1970s and 1990s because of the increase in steady surface temperature.

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How are living organisms related
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Answer:

However, now scientists can also analyze DNA to discover how closely organisms are related. Every living creature has DNA, which has a lot of inherited information about how the body builds itself. Scientists can compare the DNA of two organisms; the more similar the DNA, the more closely related the organisms.

Explanation:

7 0
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What happens in a chain reaction? reactants that have two parts split. radioactive reactants are deposited on control rods. prod
sertanlavr [38]
Products that start a new reaction are released would be the best of these choices
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Which of the following is not a product of cellular respiration?
Tom [10]
Yeah what are you choices I need to see if its da same thing I did cause I picked B and it was right
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3 years ago
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Choose the items that complete the sentence about the key features of f(x) = 8x. The y-intercept is Choose... , the asymptote is
prisoha [69]

Answer:

I suppose that the equation is:

f(x) = 8/x

(You wrote 8x, this is a linear function, so it has no asymptotes, then I assume that the actual function was 8/x)

The y-intercept is the value such that  f(x) = 0

Notice that there is no value of x such that 8/x = 0  (if the numerator is never zero, then the quotient can't be zero)

So we do not have an y-intercept.

The asymptote:

Here we have four:

if x tends to zero from the negative side, then:

8/x tends to negative infinity.

if x tends to zero from the positive side, then:

8/x tends to positive infinity.

These two asymptotes can be written as:

\lim_{n \to \_-0} \frac{8}{x} = -\infty\\ \lim_{n \to \_+0} \frac{8}{x} = +\infty

We also have two when x tends to plus infinity (and 8/x goes to zero) and when x tends to negative infinity, such that the function tends to zero again, these two can be written as:

\lim_{n \to \infty} \frac{8}{x}  = 0\\ \lim_{n \to -\infty} \frac{8}{x}  = 0

Finally, the range:

The only value that y never reaches (only on limits) is:

y = 0

Then the range is the set of all real numbers except the zero, or:

R :  { x ∈ R / {0} }

3 0
2 years ago
As DNA replication continues and the replication bubble expands, the parental double helix is unwound and separated into its two
Korolek [52]

Answer:

DNA replication is initiated by the help of these enzymes.

Explanation:

Helicase enzyme helps is unwinding the two complementary strand of DNA by hydrolysing the hydrogen bonds present between the nitrogenous bases of the two opposite strands.

Topoisomerase enzyme help in expansion of the Replication bubble by releasing the super coiling or tension occured while unwinding by helicase. It breaks the phosphate bonds in one of the two strands ahead of replication bubble or fork to release super coiling or overwinding.  

Single-strand binding proteins gets bind to the separated strands to stabilize the structure of Replication bubble or to keep the both strand separated from each other.

4 0
3 years ago
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