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kotykmax [81]
3 years ago
9

Is density useful in identifying unknown substances?

Biology
1 answer:
Zarrin [17]3 years ago
6 0

Answer:

Yes

Explanation:

You can identify an unknown substance by measuring its density and comparing your result to a list of known densities.

Density = mass/volume

When you divide the mass by the volume and compare the density to a list of known densities.

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Asexual reproduction is not only found in the plant kingdom, what is another kingdom has examples of asexual reproduction?
Sholpan [36]

Answer: Option C

Explanation:

The kingdom Protist and kingdom Fungi has some members that reproduce asexually. Asexual mode of reproduction can be defined as the process by which formation of zygote takes place without the involvement of male and female gametes.

The amoeba and paramecium divides by binary fission and the new individuals formed are identical to their parents.

Some species of fungi also reproduce asexually. Example: zoospores

3 0
3 years ago
The sex of the child is determined by the male parent. Justify your statement.
nevsk [136]
Male has sex chromosomes: One X + one Y
Female has sex chromosomes: Two X

So, Female must contribute by one X chromosome, but male can contribute either by X or Y, if he sends, X chromosome, then Female (Girl) will form, but if he sends Y chromosome, then Male (Boy) will form

Hope this helps!
3 0
3 years ago
AP PSYCHOLOGY
kompoz [17]

Answer:

Your answers are probably estrogen and oxytocin.

3 0
2 years ago
During the Carboniferous period, plants and animals grew very large due to high concentration of A. oxygen in the atmosphere. B.
Alja [10]

Answer:

Option A, oxygen in the atmosphere

Explanation:

The highest level of oxygen reached during this phase of the geological cycle of earth. The oxygen level in  Carboniferous  period accounted for 35%  as compared to 21% of oxygen in the atmosphere in present time.

Due to high oxygen content, the giant and wide varieties of terrestrial animal and plant species evolved. For example – size of insects and carwlies increased, plant became extremely giant, increase in number of tree ferns etc.

7 0
3 years ago
Read 2 more answers
Innate immunity________.
labwork [276]

Answer:

The answer is A.

Explanation:

Since only 1 of the options is wrong, i assume you are looking for that one.

Two types of immunity systems, innate immunity and adaptive immunity. Adaptive immunity is formed when it is exposed to a harmful substance, vaccines for example create adaptive immunity.

Innate immunity is present at birth which consists our skin protects us physically, chemical substances in our blood that protect us from bacteria and infections and also our blood cells such as T cells.

Since innate immunity forms one of the first lines of defense in our immune system and is the first to respond to a threat in a few hours down to as little as minutes, it is not slower than adaptive immunity in its response to infections and pathogens.

I hope this answer helps.

4 0
3 years ago
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