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Maslowich
3 years ago
7

Use the scenario to answer the question. A student has a balloon filled with hydrogen gas. While wearing safety gear, they hold

a flame up to the balloon. It explodes with a loud bang and creates a fireball. Is this an endothermic or exothermic reaction, and why?
Biology
1 answer:
denpristay [2]3 years ago
3 0

Answer:

Exothermic reaction

Explanation:

An endothermic reaction absorbs energy, while an exothermic reaction releases energy. In this scenario, the balloon explodes with a loud bang and creates a fireball which would be considered releasing energy. Therefore, the reaction taking place is exothermic.

hope this helps!

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In addition to naming species, Linnaeus also grouped species into a hierarchy of increasingly inclusive categories. The largest
Semmy [17]

Answer:

The correct answer is D) domain

Explanation:

The father of taxonomy is Linnaeus. Taxonomy helps in classify and naming organisms. The modern taxonomy has eight levels of classification. Domain, kingdom, phylum, class, order, family, genus, species.

Domain is the highest level of classification so it is the largest category that would include closely related species. When we go from domain towards species the number of similarities increase and number of organism decrease and vice versa is true when we move from species to domain. So the right answer is domain.

8 0
3 years ago
In a particular variety of corn, kernel corn is controlled by a single gene with two alleles. the dominant allele results in pur
PIT_PIT [208]

The frequency of recessive yellow beans resulting from a cross between two heterozygous plants is 25%.

<h3>What are recessive alleles?</h3>

Recessive alleles differ from dominant alleles in not being able to express themselves in heterozygotes. These alleles are only expressed in the phenotype if they are present in pairs, that is, they must be in homozygosity.

With this information, we can conclude that the frequency of recessive yellow beans resulting from a cross between two heterozygous plants is 25%.

Learn more about Recessive alleles in brainly.com/question/18075358

#SPJ1

4 0
2 years ago
If immigration and emigration numbers remain equal, which of these could cause a slowed growth rate?
aev [14]

Answer: C

Explanation:

If immigration and emigration numbers remain equal, decreased birthrate could cause a slowed growth rate .

Decreased birthrate always affects the numbers in terms of population.The less births there are, the smaller the number of people. Even if the death rate remains constant a decreased birthrate will slow growth of population.

5 0
4 years ago
Read 2 more answers
Section 1
Bess [88]

Answer:

An arctic fox changes its fur color to blend in with its surroundings

Explanation:

This is a defense mechanism because  when it blends into its surroundings it can hide from its predators and help defend itself

4 0
3 years ago
Read 2 more answers
If blonde hair is dominant and designated as "b" and brunette hair is recessive and designated as "b," probability would predict
dexar [7]

Plummet squares help here: 4 children and dominant so 75% would probably have blonde hair. Sorry if it is wrong there are no answer choices so...

~ Destiny ^_^

5 0
3 years ago
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