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Orlov [11]
3 years ago
13

What are negative effects of physical weathering on living things

Biology
1 answer:
PIT_PIT [208]3 years ago
7 0

Plants grow through the cracks and animals dig in the soil, further breaking apart and dislodging structures. Chemical processes, like the oxidation of iron, cause unsightly rust. Carbonic acid, a result of carbon dioxide mixing with water, dissolves limestone. Acid rain also wears down stone.
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DNA is copied during
victus00 [196]
DNA is copied during cell division
7 0
3 years ago
Find the unit rate with the second given unit in the denominator.
Kobotan [32]
First, the unit is words per minute, not the other way round because you're interested in how fast people can type, not how much time passes for every number of words they write or read (that would be minutes per word)

now, we know they do 4200 in 60 minutes. 

we need to divide 4200 by 60- first,\frac{4200}{60} = \frac{420}{6} = \frac{21}{3} =70

so the answer is, 70 words per minute

I think you made a typo in your answer and you meant 4600 instead of 4200 - then the answer is <span>C. 76 2/3 word/min</span>
6 0
3 years ago
Tell me what are the goals of the c19 vaccine?
WARRIOR [948]

Answer:

to prevent the virus to have a big effect on the body of humans so the cells can fight against it

6 0
3 years ago
Read 2 more answers
Think about the lab procedure you just read. Label each factor below V if it was variable during the procedure or C if it was co
Crazy boy [7]

Answer:

The factors which remained constant are as follows -

  1. material used as the membrane
  2. amount of substances used
  3. number of trials

The factors which have shown variation are as follows -

  1. molecule size (large starch molecules vs. small glucose molecules)
  2. whether the molecules diffused through the membrane (tubing)

Explanation

Some factors with in the experiments remained constant from the point of starting of the experiment to its end. While some factors were varied to study its impact on the experiment rate of progression or on the final product formed. Thus , out of the following given factors, the ones that remained constant are -

  1. material used as the membrane
  2. amount of substances used
  3. number of trials

The factors which have shown variation are as follows -

  1. molecule size (large starch molecules vs. small glucose molecules)
  2. whether the molecules diffused through the membrane (tubing)
8 0
3 years ago
Read 2 more answers
Which of the following types of algae shows a distinct alternation of generations?
kobusy [5.1K]
<span>There are many types of algae. Some of which are brown algae or the Phaeophyta/Phaeophytes,the green algae which is also known as the Chlorophytes, and the Chrysophytes or the golden algae. Among these algae, only the Chrysophytes shows distinct alternation of generations or metagenesis.</span>
8 0
3 years ago
Read 2 more answers
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