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earnstyle [38]
3 years ago
7

When did NASA begin collecting satellite data on Arctic sea ice?

Biology
1 answer:
rjkz [21]3 years ago
3 0

Answer:

December 1972

Explanation:

Useful satellite data concerning sea ice began in December 1972 with the Electrically Scanning Microwave Radiometer (ESMR) instrument from NASA.

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A person wants to go into business producing aluminum foil and cans. Which resource will he most likely need to acquire in large
Lunna [17]
Bauxite.
Because bauxite it mainly aluminium oxide however with some impurities
therefore its taken to a bauxite plant where the impurities are removed and the result is white aluminium oxide ( alumina).
 Aluminium is then extracted from alumina by electrolysis  
7 0
3 years ago
Why is a large number of egg cells not a tissue?
Nat2105 [25]

Answer:

Because they are not working together

Explanation:your welcome

5 0
3 years ago
Read 2 more answers
How would scientists determine that punctuated equilibrium occurred by examining the fossil record?
Contact [7]

The scientist can tell that punctured equilibrium has occurred if they have examined the fossil fuels and can see that one organism rapidly evolved different characteristics.

Answer: Option D

<u>Explanation:</u>

Punctured Equilibrium is an evolutionary theory which proposes that the species appearing in the fossil's record will show little evolutionary changes. In punctuated equilibrium, change occurs gradually, First very little change can be seen which later results in the occurrence of huge changes.

Such huge changes can be clearly seen by examining the fossil records.  Thus if there is any evolutionary changes seen in the fossil's record, the scientist can conclude the occurrence of punctuated equilibrium.

4 0
3 years ago
____________________ can replace a gene in an animal’s genome. a. Recombinant DNA c. A genetic marker b. Messenger RNA d. A plas
Otrada [13]

Answer:

Recombinant DNA can replace a gene in an animal’s genome.

Explanation:

The molecular cloning process involves in creating Recombinant DNA. This DNA is used to replace or replicate any specific gene. This is done by the process of PCR to replicate it directly.

This formation is done in the presence of a vector. This method is used in the field of veterinary office, pharmacy and many more.  It has the ability to replace the gene of an animal’s genome.

7 0
3 years ago
Which is not an echinoderm?<br><br> A.)starfish<br> B.)sea urchin<br> C.)squid<br> D.)sand dollar
Katena32 [7]

\large \color{red}Answer:

Which is not an echinoderm?

A.)starfish

B.)sea urchin

<h2>C.)squid</h2>

D.)sand dollar

\large \color{Blue}Explaination:

<h3>Starfish, sea urchin and sand dollars are echinoderm. </h3>

8 0
3 years ago
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