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Citrus2011 [14]
3 years ago
11

Mudskippers are a species of fish which, over thousands of generations, have developed adaptations that allow them not only to s

urvive outside of the water, but to actually travel from one water source to another. What environmental condition most likely led to these adaptations?
(A)Larger predators

(B)Lower temperatures

(C)Increased precipitation

(D)Frequent droughts
Chemistry
1 answer:
Andrew [12]3 years ago
5 0
D I think pls don’t get mad if it’s wrong lol
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Polonium-218 undergoes beta decay, converting a neutron into a proton. Then the daughter isotope undergoes another beta decay, a
sergij07 [2.7K]

Answer: ^{218}_{84}Po \rightarrow ^{218}_{85}At + ^{0}_{-1}e is the correct equation for beta decay.

Explanation:

When a beta particle, that is, ^{0}_{-1}e is emitted in a radioactive decay then it is known as beta decay.

Therefore, beta decay of Polonium-218 is as follows.

^{218}_{84}Po \rightarrow ^{218}_{85}At + ^{0}_{-1}e

Therefore, we can conclude that ^{218}_{84}Po \rightarrow ^{218}_{85}At + ^{0}_{-1}e is the correct equation for the given beta decay.  

8 0
3 years ago
How are a flashlight and lightening similar and how are they different?
grandymaker [24]
<span>A flashlight is an electric-powered light source; the light source is a light bulb or an LED. The electrical energy is converted into visible light. Flashlights can be hand-held or mounted to a platform. Light from a lighting, on the other hand, is formed by exciting electrons to a higher state. </span>
5 0
4 years ago
Please help. QUICK LIMITED TIME
Serggg [28]

The energy of a nuclear reactor gets converted to electricity by using steam. As steam converts mechanical energy to electricity.

Answer: Option C

<u>Explanation: </u>

Nuclear reaction works on the principle of nuclear fission. The main functioning of nuclear reactor is the generation of neutrons by fission of Uranium oxide.

The rate of generation of neutrons need to be controlled in the reaction to have a controlled chain reaction which is suitable for generating electricity.

So, the controlling of rate of nuclear generation is done by moderators. The moderators are generally water or graphite in any nuclear reactor. So during these process, steam is produced in the reactor core which then flows through a turbine engine.

The steam rotates the turbines in the generator and thus the mechanical energy of the turbine during rotation is converted as the electrical energy in the generator.

5 0
3 years ago
A student who is studying atomic reactions creates the following Venn diagram.
Lady bird [3.3K]

<u>A. reaction A: chemical; reaction B: nuclear</u>

Answer:

Solution given:

as

Circle 2: Reaction B

-Involves neutrons

-Happens inside atomic nucleus

-Releases relatively large amounts of energy

<u>I</u><u>t</u><u> </u><u>h</u><u>a</u><u>p</u><u>p</u><u>e</u><u>n</u><u>s</u><u> </u><u>o</u><u>n</u><u> </u><u>n</u><u>o</u><u>r</u><u>m</u><u>a</u><u>l</u><u> </u><u>c</u><u>h</u><u>e</u><u>m</u><u>i</u><u>c</u><u>a</u><u>l</u><u> </u><u>reaction</u><u>.</u>

Circle 2: Reaction B

-Involves neutrons

-Happens inside atomic nucleus

-Releases relatively large amounts of energy

<u>I</u><u>t</u><u> </u><u>h</u><u>a</u><u>p</u><u>p</u><u>e</u><u>n</u><u>s</u><u> </u><u>o</u><u>n</u><u> </u><u>n</u><u>u</u><u>c</u><u>l</u><u>e</u><u>a</u><u>r</u><u> </u><u>r</u><u>e</u><u>a</u><u>c</u><u>t</u><u>i</u><u>o</u><u>n</u><u>.</u>

5 0
3 years ago
Read 2 more answers
Kon kon rajasthan ka h​
xenn [34]

Answer:

I am from Pakistan

Explanation:

Nice to meet you!

8 0
3 years ago
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