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butalik [34]
3 years ago
6

Why is it dangerous to a fetus for the pregnant mother to smoke cigarettes?

Biology
2 answers:
anzhelika [568]3 years ago
8 0
The fetus takes in everything the mother does. The chemicals in smoke is taken in and can cause physical and mental problems with the child after birth.
igor_vitrenko [27]3 years ago
6 0
Its could affect the child and its can delay the pregnant woman during child birth

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QUESTION 2
ASHA 777 [7]

Answer:

Carbon dioxide

Explanation:

Xylem and phloem are the two conducting tissues of a vascular plants. They are referred to as vascular bundles. Xylem and phloem are responsible for conducting certain substances from one part of the plant to another.

The xylem is responsible for conducting WATER AND DISSOLVED MINERALS from the root of the plants to other parts e.g leaves, stem, flowers etc. while the phloem conducts sugar (product of photosynthesis) e.g glucose from the leaves of the plant to other parts including the stem, root etc.

According to this question, xylem or phloem does not conduct or carry gaseous substances like carbon dioxide (CO2).

7 0
3 years ago
Adaptive defenses include humoral immunity only. Memory B cells areproduced as soon as the B cell binds to an antigen. Adaptive
Rina8888 [55]

Answer:

Adaptive defenses include both humoral and cellular immunity.

Explanation:

The innate immune response is the non-specific immune response and serves to provide an immediate and general immune response. The adaptive immune responses are the specific immune responses. Adaptive immune responses include cell-mediated immunity and antibody-mediated immunity.

Cell-mediated immunity includes T cells (cytotoxic and helper T cells) while antibody-mediated immunity includes the production of antibodies from B cells. Binding of antigen to B cells is followed by their transformation into plasma cells and produce antibodies. Some of the activated B cells form memory B cells that are responsible for quicker and strong secondary immune responses.

5 0
3 years ago
What is the probability of drawing a king first and then a jack from a standard deck of cards with replacement?
marta [7]

the chances of that happening are 8/52 which reduces to 2/13. So not very good

4 0
3 years ago
Where was the ring necked pheasant imported from
Firdavs [7]

They were imported from China into the United States in 1881.

The first successful release was in Minnesota in 1916.

Hope this helps! :)

4 0
3 years ago
The diagram represents part of a plant cell. Identify the location in the plant cell where carbon dioxide fixation occurs.
olga nikolaevna [1]
The carbon fixation occurs in the stroma, which is the colourless fluid that bathes the grana inside the chloroplast. It is in the stroma that the biochemical <span>reactions of reduction take place, one of them being</span><span> </span><span>carbon fixation. This is a light-independent reaction that is part of Calvin cycle. The stroma is where the enzymes that catalyse these reactions can be found.</span>
4 0
3 years ago
Read 2 more answers
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