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brilliants [131]
3 years ago
7

Exposure to secondhand smokes carries the same long-term health risk as smoking

Biology
2 answers:
Tatiana [17]3 years ago
4 0

Answer:

yes true smoken is realy bad for the longs

Explanation:

skelet666 [1.2K]3 years ago
3 0
Yes, that is true. A lot of people have been exposed to cancer due to secondhand smoking.
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What is the carbon cycle?
Nataliya [291]
The carbon cycle is carbon compound are inconverted onto the environment
5 0
3 years ago
A researcher has developed two stains for use with seed plants. One stains sporophyte tissue blue; the other stains gametophyte
sukhopar [10]

Answer:

A) The pollen grains will be pure red.

Explanation:

Plants have alternation of generations, this means that there are two different stages in their life-cycle: a sexual haploid (n) phase and an asexual diploid phase (2n). These phases occur in different individuals, so there is an haploid plant called gametophyte that carries gametes and after fecundation, it will rise a diploid sporophyte (asexual).  

In seed plants, the sporophyte is the plant that we normally see, and the gametophyte is reduced into an organ of the sporophyte. The male gametophyte is the pollen that is produced in the sporangium in anthers (parts of sporophyte).  When a pollen grain fecundes a female gametophyte (egg), it will produce a diploid embryo or new sporophyte.

Therefore, if the researcher exposes pollen to both stains, these grain will stain red, because red stain identifies gametophyte tissue.

3 0
3 years ago
What do you predict would happen if you placed the smaller ball on the bottom, and the
asambeis [7]

Answer:nothing

Explanation:even though a smaller object would have a great force, a larger ob will move the smaller object farther

4 0
3 years ago
Which two molecules generated by the Krebs cycle pass their high-energy electrons to the electron transport
Sidana [21]

<u>Answer</u>:

The two molecules generated by the Krebs cycle that pass their high-energy electrons to the electron transport are NADH and  FADH2

<u>Explanation:</u>

The kreb's cycle gives NADH and also the another hydrogen carrier which is termed as FADH2. During the process of the electron transport chain, one NADH gives rise to electrons and also the hydrogen ions, which has enough potential energy that can convert and produce 3 ATP molecules. Again in the electron transport chain the NADH and the FADH2 undergoes oxidation and releases energy in the form of the ATP. The process of generation of the ATP in the electron transport chain(ETC)  is also referred as the chemiosmotic phosphorolation.

6 0
3 years ago
What is a category of ai that attempts to emulate the way the human brain works?
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Category of AI that attempts to emulate the way the human brain works neural network.

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These artificial networks can be applied to adaptive control, predictive modelling, and other tasks where a dataset can be utilised to train them.

To learn more about artificial intelligence, refer this link brainly.com/question/28448080

#SPJ4

8 0
9 months ago
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