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stiks02 [169]
3 years ago
9

how organisms could be harmed by high levels of salt from roadways, and expressing your opinion about whether it should continue

and why.
Biology
1 answer:
Vesnalui [34]3 years ago
3 0
Salt accumulation in the runoff when the snow melts can cause loss of water from the roots of plants leading to the death of the plants. Sufficient amounts of salt could cause fresh water organisms harm in the same manner.
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Which of the following best explains why what we know about cells is called a theory and not a law? (5 points) Select one: a. We
dedylja [7]

Answer:

The correct answer should be A) Cell theory explains cell behavior where a law would describe it

Explanation:

3 0
3 years ago
In insects what does hemi metabolism indicate
ArbitrLikvidat [17]

The hemi metabolism<span> indicates the three distinct stages of the life cycle of some insects: the egg, nymph, and the adult stage, or imago. It has no pupal stage just like the complete metamorphosis that undergoes pupal stage before turning into adult. Insects that undergo hemi metabolous metamorphosis go through gradual changes; develop from eggs into nymphs sometimes called larvae by some entomologists, that are similar in shape to the adults. You can distinguish the nymphs from the adults by looking for wings. Wing buds or wing pads may be present in late stage nymphs, but they are fixed in place against the body and are non-functional compared to the adults whose wings are fully developed. </span>

7 0
3 years ago
What is a stem cell?
expeople1 [14]
An undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
8 0
3 years ago
Read 2 more answers
In part A, you analyzed genes that contribute to two diseases. How can scientists use this information to develop new treatments
Sergeeva-Olga [200]

Answer:

Yes scientist will need to develop multiple treatments to control symptoms.

Explanation:

because if they only do one treatment it may not work for everyone because some people could be allergic to that one treatment that's why there are multiple treatments.

8 0
3 years ago
Pain-sensitive neurons (called nociceptors) conduct action potentials from the skin or teeth to sites in the brain involved in p
marusya05 [52]

Answer:

In the gums

Explanation:

Lidocaine is a compound which can be used as a local anaesthetic. This anaesthesia works by blocking the voltage-gated channels which allows the influx of the sodium ions. As the sodium ions do not enter therefore an action potential is not generated in the axons as a result of which no pain is felt in the area.

In the given since the lidocaine is used by the dentist therefore the dentist in order to treat some dental problem must inject the lidocaine in the gums where the sensory receptors of the teeth are present.

Thus, in the gums is the correct answer.

8 0
3 years ago
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