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stellarik [79]
3 years ago
9

Hey do u guys know what are some good science fair topics

Biology
1 answer:
zimovet [89]3 years ago
3 0
Maybe something that would get peoples attention
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How does oceanic crust move along mid ocean ridges
77julia77 [94]

Question: How does oceanic crust move along mid ocean ridges

Answer: Oceanic crust slowly moves away from mid-ocean ridges and sites of seafloor spreading

Explanation: as a result it becomes cooler, more dense, and more thick.

question answered by

(jacemorris04)

6 0
3 years ago
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What does it mean when a compound’s chemical formula does not include any numbers? A. There are only single bonds in the molecul
yaroslaw [1]

Answer:

B

Explanation:

This number that is put in a compound is called a subscript. It is put in front of the symbol of the element being represented. An example is CO₂ which means there are one (1) carbon and two (2) oxygen atoms in the compound.

3 0
3 years ago
The current population of a threatened animal species is 1.6 million, but it is declining with a half-life of 25 years. How many
kotykmax [81]

The current population of a threatened animal species is 1.6 million, but it is declining with a half-life of 25 years. How many animals will be left in 35 years<u> The decay law i</u>

<u>p(t) = 1,700,000 (1/2)t/25</u>

<u>where t is in years and p(t) is the population at time t.  Plug in 40 and 55 for t.</u>

<h3>What is threatened animal?</h3>

Any species (including those of animals, plants, and fungi) that is likely to become endangered in the near future is considered to be a threatened species. The population dynamics measure of critical depensation, a calculation of biomass related to population growth rate, is occasionally used to identify threatened species. This quantitative indicator is one way to gauge how endangered an area is. When discussing IUCN categories, the terms threatened and vulnerable may be used interchangeably; however, threatened generally refers to the three categories (critically endangered, endangered, and vulnerable), whereas vulnerable generally refers to the category that is least at risk among the three. However, since all threatened species are vulnerable species, they can usually be used interchangeably.

To learn more about threatened animal from the given link:

brainly.com/question/15576147

#SPJ4

8 0
1 year ago
What are intermediate species? in an easy way to understand. And some examples?
tankabanditka [31]

Answer:

An intermediate is a species which appears in the mechanism of a reaction, but not in the overall balanced equation. Examples: Amphibian/land vertebrate (Pederpes)- Intermediate form between primary aquatic Upper Devonian amphibians and early tetrapods. Lizard/snake (Pachyrhachis)—Intermediate form of snakes and an extinct lizard-like reptile. It was a primitive snake with limbs.

Explanation:

3 0
3 years ago
Read 2 more answers
What are the characteristics of living things?? ​
ioda

Answer:

Cellular organization.

Reproduction.

Metabolism.

Homeostasis.

Heredity.

Response to stimuli.

Growth and development.

Adaptation through evolution.

Explanation:

Hope this helps.

7 0
3 years ago
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