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Ann [662]
3 years ago
5

Is mixing sand a gravel a physical or chemical change?

Biology
1 answer:
gtnhenbr [62]3 years ago
4 0

Answer:

I believe it's a physical change?

Explanation:

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Wegener's theory of continental drift was largely dismissed by the mid-1900s. What new evidence was able to revive this theory,
gavmur [86]

Answer:

<u>C. The coastlines of South America and Africa were similar in shape, suggesting that they shared a common tectonic plate.</u>

Explanation:

  • As suggested by the Alfred Wegener, the plates of the South America and the African plants had a similar geologic history and thus shared a common tectonic boundary and hence validate the proof of the superclass and the drifting of the plates at various time zones.  
  • Thus after the 1960s the plate tectonic theory came into the limelight and was heavily recognized to be fit the works of the drifting of the continental landmasses.
7 0
3 years ago
David has sustained an injury to his neck that has resulted in the complete loss of sensation to the posterior side of his upper
slavikrds [6]

Answer;

Radial nerve

Explanation

-The nerve that is most likely to be damaged as a result of his injury is the radial nerve.

-The radial nerve is a nerve in the human body that supplies the posterior portion of the upper limb.

-It innervates the medial and lateral heads of the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial compartment of the forearm and the associated joints and overlying skin.

4 0
3 years ago
If organimsbare of the same aprecies?
Maslowich

Answer:

If organisms are of the same species, . they can interbreed they share genetic similarities they are the same color they fall under the same genus

Explanation:

-Taxonomy is the practice of identifying different organisms, classifying them into categories, and naming them. All organisms, both living and extinct, are classified into distinct groups with other similar organisms and given a scientific name.

-A group of closely related organisms that are very similar to each other and are usually capable of interbreeding and producing fertile offspring.

-The species is the fundamental category of taxonomic classification, ranking below a genus or sub-genus. It a classification comprising related organisms that share common characteristics and are capable of interbreeding.

8 0
3 years ago
When a parent is trying to get child to eat vegetables and say yummy the parents are using what food preference?
Luden [163]
They r trying to infer that “Broccoli” is delicious
7 0
4 years ago
The following health statistics are available on the Internet for country Z about two disease outcomes. Disease A has an annual
Citrus2011 [14]

The burden of diseases A and B in country Z is that disease B has a higher prevalence than

disease A. That is option D.

<h3>Health statistics of Country Z</h3>

Health statistics is used by professionals to summarize the health status or information on the health of individuals in a particular geographical location.

The basic statistic tools that can be used to check the health status of a population are,

  • prevalence

  • Case fatality ratio

The prevalence rate is the total number of cases of a disease existing in a population divided by the total population.

The prevalence rate of disease A = 225 per 100,000 population while the prevalence rate of disease B = 500 per 100,000 population.

Therefore, the burden of diseases A and B in country Z is that Disease B has a higher prevalence than

disease A.

Learn more about prevalence here:

brainly.com/question/25151633

7 0
3 years ago
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