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dezoksy [38]
3 years ago
6

The half-life of carbon-14 is 5730 years. Radiocarbon dating can not be used to estimate the age of objects up to about 50,000 o

r 60,000 years old.
Question 2 options:
True
False
Biology
1 answer:
Nataly [62]3 years ago
7 0

Answer:

False

Explanation:

it can be used to date stuff up to about 50000 years, so i'd say that its halfly false, so false is correct :)

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A student is measuring the effect of different temperatures on the effect of enzymes in biological systems. What temperature ran
viktelen [127]

Answer:

A. 25 °C, 30 °C, 35 °C, 40 °C, 45 °C  

Explanation:

Each enzyme has a temperature at which it works best. In humans and many animals, that temperature is around body temperature (37 °C or 98.6 °F). Most enzymes are denatured and work poorly at 40 °C (104 °F).

That automatically eliminates Option B.

I would pick a temperature close to 37 °C (98.6 °F) and temperatures at intervals above and below that.

Option D is wrong because it includes no temperatures above body temperature.

Option C is wrong, because it includes temperatures of 45 °C and 55 °C, at which the enzymes will be denatured.

That leaves Option A as the best answer. It includes only one temperature above 40 °C.

8 0
3 years ago
Im giving 50 points please give correct answers. Research the industrial revolutions in the 1800s. the evaluate the following cl
Aliun [14]

Answer:

"The most significant effect of population growth in Europe from 1700 to 1800 was urbanization and the creation of large cities which was marked by poverty, crime, and poor sanitation.” Historians have identified several causes for the Industrial Revolution, including: the emergence of capitalism, European imperialism, efforts to mine coal, and the effects of the Agricultural Revolution. Capitalism was a central component necessary for the rise of industrialization.

6 0
2 years ago
The most important difference between primary cells and secondary cells is Select only the best answer: primary cells exhibit a
torisob [31]

Hi there! This question is a bit confusing.

Primary cells more of have one "star" quality; they are not rechargable. Think of them like a battery in a TV remote! You replace them, they can't recharge.

Secandary cells, though, can be electrically recharged! Like your phone battery, plug it in and a few hours later, full battery.

Your answer would be "Secondary cells are rechargable"

Have a great rest of your day!

4 0
2 years ago
Which of the following best describes the second law passed under the Morrill Act?
BigorU [14]
It is d because the law was passed around 1976 I am not sure but this is the best estimate
6 0
2 years ago
How do some bacteria survive in unfavorable conditions?
lozanna [386]

Answer:

The answer to this question is D. They multiply rapidly to increase their population. I sure do hope this helped dear! XD

Explanation:

5 0
3 years ago
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