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miskamm [114]
3 years ago
11

What are two characteristics of sodium and two characteristics of cesium?

Biology
2 answers:
Julli [10]3 years ago
7 0

Two characteristics of sodium :

1)It's a soft metal, reactive and with a low melting point.

2) when first cut the surface is bright and shiny, but quickly becomes dull as sodium reacts with oxygen in the air.

Two characteristics of cesium:

1)Cesium is ductile alkali metal, silvery-gold, soft, .

2)Cesium reacts explosively when contact with water producing cesium hydroxide (CsOH),

olasank [31]3 years ago
4 0

Here are the answers,to both.


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lidiya [134]

Explanation: Sudden Increase Factors:

- Since there are no predators, there are no ways they could be eaten, with this case, it significantly increases the population.

- Since there are a lot of females, and some males, the males could find mates, and have some baby reindeer, which also increase the population.

Sudden Decrease Factors:

- One decreasing factor is starvation. With there being so many reindeers, all the food is going away quickly. After a few years after the growth spurt, most of them probably died because of there not being a lot of food.

- Another decreasing factor is Old Age. Since there are 21 females, they are older than the babies, and they couldn't have lived much longer, and probably died.

- Another factor; sickness. With there being starvation, their immune system is degrading, and meaning sicknesses could come, so maybe a huge sickness // disease came, and wiped out quite a bit of the population.

<em>I really hoped this helped. :)</em>

5 0
3 years ago
Photosynthesis is the process where the sun's energy is converted in to
Mazyrski [523]

Answer:

True

Explanation:

The process of photosynthesis converts light energy to stored chemical energy by converting carbon dioxide plus water into sugars plus released oxygen.

7 0
3 years ago
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andrey2020 [161]

Answer:

what is iT????

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7 0
3 years ago
Explain the difference between independent variables, dependent variables, and control variables.
IgorC [24]

Answer:

Independent: Purposely altered

Dependent: Changes with respect to the independent being altered

Controlled: Never changes

Explanation:

An independent variable is a variable in which does not rely on other pieces/variables of an experiment to assume a value. In other words, it does not change when other variables change. However, it can be changed intentionally by the scientist.

A dependent variable is a variable in which its change in value relies on other pieces/variables of an experiment to assume a value. So, if the indeoendent variable is changed, the dependent variable will change as well. The opposite is not true though - if the dependent variable changes (for whatever reason), the independent variable hasn't necessarily been changed.

A controlled variable is a variable that stays CONSTANT throughout an experiment. It is never changed, and nothing will change it. An example of a control variable is the number of participants in a study: no more participants are being added, and no participants are being removed. The number of participants remains STATIC throughout the study.

3 0
3 years ago
The _____ was a worldwide effort to map the complete human genetic code.
77julia77 [94]
<span>The answer is 'The Human Genome Project". The Human Genome Project (1990-2003) was an international effort to map the compete human genetic code, the sequence of nucleotide base pairs that make up human DNA, collectively call the human genome. The official date of completion was timed to coincide with celebrations of the 50th anniversary of James D. Watson and Francis Crick's discovery of the double-helical structure of DNA (April 12, 2003). The Human Genome, the molecular instruction book of human life, contains the essential sequence of three billion base pairs of DNA.</span>
7 0
3 years ago
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