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Alexeev081 [22]
3 years ago
8

PLEASE HELP ASAP!!! Thank you!!

Biology
1 answer:
Rudiy273 years ago
5 0
4th one if wrong then contact me right away
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A Rift Valley is associated with ?
Nana76 [90]
<span>rift valley is formed on a divergent plate boundary, a crustal extension, a spreading apart of the surface, which is subsequently further deepened by the forces of erosion. 
hope this helps please award brainly :)
</span>
4 0
3 years ago
Mendel did experiments in which he kept track of the inheritance of seed texture (wrinkled or smooth). First he created true-bre
sveticcg [70]

Answer:

smooth was dominant over that for wrinkled

Explanation:

In complete dominance, a gene may have two different variants or 'alleles', dominant and recessive. A dominant allele is a gene variant that is able to produce a certain phenotype, even in the presence of other alleles, while a recessive allele is a gene variant that is masked by the dominant allele in heterozygous individuals (i.e., individuals that inherited different alleles from each parent). By crossing smooth and wrinkled pea plants, Mendel observed the offspring (F1) were smooth rather than mixed, indicating one type of seed texture was dominant over the other. Subsequently, Mendel observed that alleles for different traits (e.g., seed texture and seed color) assorted independently during meiosis.

8 0
3 years ago
What factors limited human population growth in the past?
lapo4ka [179]

Answer:

Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration. When organisms face limiting factors, they show logistic growth (S-shaped curve, curve B: Figure below).

Explanation:

3 0
3 years ago
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What fossils of organisms delicate parts?
Anna35 [415]

Answer:

I think that the fossil is a carbon fossil

Explanation:

They preserve life in fine detail, including the soft tissue of plants and animals.

4 0
3 years ago
Which one of the following is an example of the chemical modification of an active pharmaceutical ingredient? Group of answer ch
Alexeev081 [22]

Answer: Combining a basic API with citric acid to produce the citrate salt of the API.

Explanation:

Chemical modifications refers to the processes that involve changes in the general composition of drugs to produce another entity with different chemical properties.

From the answer, Basic API combine with citric acid to produce the citrate salt of API which have different chemical properties from the reactants.

8 0
3 years ago
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