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Hunter-Best [27]
2 years ago
7

What is radioactive dating?

Biology
1 answer:
Kazeer [188]2 years ago
4 0
Is  a technique used to date materials such as rocks or carbon
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PLEASE HELP!! 50 POINTS
dolphi86 [110]

Answer:

Males are XY(have one X chromosome) so, when it comes to X linked diseases, they express everything that is on that chromosome. They only need one copy. Females need 2 copies of the recessive allele in order to have the same condition.

4 0
3 years ago
Warm air holds _____.
Archy [21]

Answer:

less water than cool air

Explanation:

the warmer it is, the more the droplets(water) start to evaporate

hope this helps :)

6 0
2 years ago
What is true of saturated fatty acids?
anzhelika [568]

<u>Answer:</u>  They have the maximum number of hydrogen atoms.

<em>Saturated fatty acids have the maximum number of hydrogen atoms.</em>

<u>Explanation:</u>

A fatty acid that doesn’t contain any double bond between carbons in their molecular structure is known as saturated fatty acid. They are also incapable of absorbing hydrogen in their molecular structure thus the name.

Saturated fatty acids are generally found in animal fats like butter, milk and dairy products. Because of the higher melting point of those fatty acids, they are generally found in solid state at reem temperature.

6 0
3 years ago
In the past 250 years how many volcanoes have erupted?
lesya [120]

Answer:

Graph showing known historically active volcanoes, number of volcanoes reported to be active each year, and population. The line labeled "Known Historically Active Volcanoes" (right scale) is the cumulative number of volcanoes with an historically recorded eruption by that year. "Volcanoes Active Per Year" since 1400 CE (black line) and 10-year running mean of same data (thick red line) is also based on reported eruptions (those with uncertainty dates greater than 1 year are not included, nor are uncertain eruptions). "Population" (right scale) is the world's estimated human population; data from McEvedy and Jones (1978) and (since 1750) Population Reference Bureau, Washington, D.C. See text for further explanation.

A dramatic increase in both the number of historically active volcanoes and recorded eruptions took place about 1500 CE. These resulted in part from the great Spanish/Portuguese marine explorations – the Age of Discovery – around the end of the 15th century, when explorers opened Latin America and much of the western Pacific to European record-keeping. Perhaps equally important was the development and widespread distribution of the printing press in the late 15th century, markedly increasing the likelihood that new volcanological records would survive. Through the 17th and into the early 18th century the recognition of additional active volcanoes generally corresponded with steadily increasing eruption reports. By the 18th century global trade was flourishing, the Industrial Revolution was under way, and the heightened reporting of eruptions noticeably accelerated the discovery of new volcanoes. The list has continued to grow, with several important volcanic regions such as New Zealand, Alaska, and Hawaii being unrepresented until the last 250 years.

Explanation:

please mark me as brainlest answer hope this helps

4 0
2 years ago
Bohr hypothesized what about the atom?
Shtirlitz [24]
To solve the stability problem, Bohr modified the Rutherford model by making sure that the electrons move in orbits of specific size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. However, radiation can only happen when the electron jumps from one orbit to another.
3 0
3 years ago
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