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NikAS [45]
3 years ago
7

Mercury has a density of 13.5 g/cm^3. What would an object's density have to be for it to sink in mercury?

Biology
1 answer:
Lostsunrise [7]3 years ago
5 0
It would have to have a density greater than the density of Mercury. For example, if an abject had a density of 14.5 g/cm^3, it would sink when put in Mercury. Hope this helps! :D
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Match each atom to the corresponding number of electrons it will steal or give away.
Stella [2.4K]

Answer:

1. Fluorine (7 electrons) => c. steals 1 electron

2. Calcium (2 electrons) => a. gives away 2 electrons

3. Oxygen (6 electrons) => d. steals 2 electrons

4. Lithium (1 electron) => e. gives away 1 electron

5. Xenon (8 electrons) => b. neither gives away nor steals any electron

Explanation:

Given the following valence electrons of the atoms listed above, each atom can be matched to its corresponding number of electrons it can steal or give away as they form bonds and attain a stable state:

1. Fluorine (7 electrons) => this will steal 1 electron from another atom to attain a stable state when it comes to make the number of electrons 8.

2. Calcium with 2 valence electrons, will give away this 2 electrons in its outer shell to be stable and form bond with another atom that will accept these 2 electrons.

3. Oxygen with 2 valence electrons, will steal 2 electrons to make the electrons in its outer shell 8, as it bonds with another atom to become stable.

4. Lithium will give away 1 electron to become stable when it combines.

5. Xenon with 8 electrons in its outer shell is in a stable state and kind of inert. It doesn't need to receive or steal any electron from or to any other atom in this state.

7 0
3 years ago
A biologist found an asymmetrical organism. A part of the organism was injured, but it was able to repair itself through regener
natulia [17]

Answer:

Because the organism is asymmetrical and it was able to regenerate, it’s probably (an amphibian), and belongs to the phylum (Mollusca).

5 0
2 years ago
Humans use selective breeding to pass desired _______________ on to the next generation of organisms.
Lorico [155]
Hey mate!
You stuck?

Humans use selective breeding to pass desired TRAITS on to the next generation of organisms.

Hope this helped!
4 0
3 years ago
Match each biodiversity restoration method to its description.
timofeeve [1]

Match each biodiversity restoration method to its description we have:

  • reforestation: using plants to absorb harmful compounds
  • biological augmentation: using plants to control a native plant population
  • bioremediation:using plants to increase biodiversity and food resources

<h3>What are ecological restoration techniques?</h3>

Some examples of induced ecological restoration methodologies are the conduction of natural regeneration, nucleation techniques, enrichment or diversity planting, among others.

In this case, the ecological restoration techniques are:

  • reforestation: using plants to absorb harmful compounds
  • biological augmentation: using plants to control a native plant population
  • bioremediation: using plants to increase biodiversity and food resources

See more about ecological restoration at brainly.com/question/1331136

#SPJ1

6 0
2 years ago
Mitosis and meiosis 1 comparison of all phases
Aleksandr-060686 [28]

Answer and Explanation:

Mitosis is the type of division that occurs in the general body cells resulting in growth while meiosis is the process that occurs during the formation of sex cells. Mitosis results in two daughter that are identical to one another and to the parent cell. In meisosis there is crossing over during prophase I.

8 0
3 years ago
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