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sveta [45]
3 years ago
13

What helps nausea during pregnancy first trimester

Biology
1 answer:
klemol [59]3 years ago
6 0

Answer:

pregnancy lollipops

Explanation:

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True or False? Circle the correct answer for each statement. If a statement is false, explain why under the
Lorico [155]

Answer:

F,T,T,F

Explanation:

1)false-(its a covalent bond)

A water molecule is formed when two atoms of hydrogen bond covalently with an atom of oxygen.

2)True-(water is a polar molecule)

Water is a polar molecule because the positive end attracts particles of negative charge.

3)True

water dissociates to form hydrogen ions (H3O+) and hydroxide (OH-) ions

4)false

Lower pH number means stronger acid, higher pH number means stronger base.

4 0
3 years ago
What part of the chloroplast uses-thesun energy?
Aneli [31]

Answer:

chlorophyll

Explanation:

6 0
3 years ago
Read 2 more answers
2. Describe a flood along a coastline. What might cause this?
Fed [463]
Continental plate moving on the sea floor. 
6 0
3 years ago
Read 2 more answers
Why are scientists warning that exclusively growing this mutant type by asexual reproduction presents a serious disadvantage?
Alla [95]

Answer:

Asexual reproduction can be described as a process in which daughter cells are produced which are 100% identical to the parent cells. Unlike the process of sexual reproduction, no recombination occurs in asexual reproduction. Hence, no variability is produced when organisms reproduce by this method.

<u><em>As there will be lack of variability in asexual reproduction, the whole of the particular species might become endangered or extinct due to a disease or due to other factors like pests.</em></u>

<u><em></em></u>

7 0
3 years ago
An ecologist observes that the diet of a bird species consists primarily of large grass seeds (as opposed to smaller grass seeds
omeli [17]

Lets understand the given passage.

An ecologist <u>observes that the diet of a bird species consists primarily of large grass seeds</u> (as opposed to smaller grass seeds or the seeds of other herbaceous plants found in the area).

<u>He hypothesizes that the birds are choosing the larger seeds because they have a higher concentrations of nitrogen than do other types of seeds at the site</u><u>.</u>

<u>To test the hypothesis, the ecologist compares the large grass seeds with the other types of seeds, and the results clearly show that the large grass seeds do indeed have a much higher concentration of nitrogen.</u>

No, he cannot conclude that the birds select the larger grass seeds because of their higher concentrations of nitrogen. The hypothesis testing done by the ecologist is incomplete as he failed to set up a control in the experiment. The control would have been the birds feeding on large seeds that lack or are low on nitrogen content. This will establish a relation between the bird's diet and the size of the seeds and the nitrogen content of the seeds. It could be true that birds do not care about the nitrogen content but simply prefer larger seed sizes.

Another problem associated with his field experiment is the failure in noting the beak sizes of the birds. The beak size and shape enable a bird to break and eat seeds. Larger beaks fail at breaking open smaller seeds. This observation would add bird beak size as another variable of the experiment.


4 0
3 years ago
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