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dolphi86 [110]
3 years ago
14

Which is a substance that is made up of only one type of atom?

Biology
1 answer:
Reptile [31]3 years ago
8 0

Answer:

element

Explanation:

An element cannot be broken down by any chemical means. However, nuclear reactions can lead to the generation of new elements.

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What surrounds all cells?​
Alecsey [184]

Answer:

All cells are surrounded by a cell membrane. The cell membrane is semipermeable, allowing some substances to pass into the cell and blocking others.

Explanation:

6 0
3 years ago
What is the island of Hispanola named today?
12345 [234]


The Correct  answer is C.

The Island of Hispaniola is the second largest island in the Caribbean, at 29, 237sq miles. Haiti occupies about 1/3 of the Island while the Dominican Republic controls the balance of the land.

Christopher Columbus claimed Hispaniola in 1492, declaring it  "the most beautiful island in the world".  It later became the launching base for the Spanish conquest of the Caribbean, as well as the American mainland. 

The western third of the island became known as Haiti in 1804 and while the remainder became known as the Dominican Republic in 1844.





8 0
3 years ago
What term refers to corps that mainly protect other crops during their early days?
nataly862011 [7]
Forage crops. pasture crops. Peas, peanuts, or corn is an example of such crops. ... mainly protects other crops during their early days
3 0
3 years ago
Read 2 more answers
When one allele is dominant to another, what is the most common biological mechanism for this dominance?
MAVERICK [17]

Answer:

A. Dominant alleles often encode functional products, whereas recessive alleles often do not encode functional products

Explanation:

One gene can have it's variant forms called allele but in one individual only two allele form of a gene can be present. These two allele form can be the same(homozygous) or different(heterozygous). A dominant allele often encode a function protein of product while recessive allele often code for non- functional product.

Therefore when the dominant allele is present in the chromosome then function products are formed which can be seen in the phenotype and even a single dominant allele produce the functional product like in heterozygous condition so phenotype in heterozygous and homozygous dominant condition appears same. So the correct answer is A.

5 0
3 years ago
WILL MARK BRAINLIEST!!!20 POINTS!!!
Dovator [93]

Answer:

It is the third bubble, sorry I answered this super late :(

8 0
3 years ago
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