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tester [92]
3 years ago
11

How do lichens weather rock?

Mathematics
1 answer:
Dafna11 [192]3 years ago
5 0

Answer:

Biological weathering is the actual molecular breakdown of minerals. There are things called lichens (combinations of fungi and algae) which live on rocks. Lichens slowly eat away at the surface of rocks. The amount of biological activity that breaks down minerals depends on how much life is in that area

Step-by-step explanation:

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A child walks 3/10 of a mile in 1/5 hour. At this rate, how far will the child walk in 1 hours ?
sertanlavr [38]

Answer:

1.5 miles

Step-by-step explanation:

.3 miles/12 minutes x 5/5 = 1.5 miles/ 1 hour

4 0
3 years ago
When you divide a whole number by a decimal less than 1, the quotient is greater than the whole number.why?
lesya692 [45]

One way to understand division is to look at it as repeated
subtraction.  When you "divide by" a divisor number, you're
asking "how many times can I subtract this divisor from the
dividend, before the dividend is all used up ?".

Well, if the divisor is ' 1 ', then you're taking ' 1 ' away from the
dividend each time, and the number of times will be exactly
the same as the dividend.

If the divisor is more than ' 1 ', then you subtract more than ' 1 '
from the dividend each time, and the number of times you can
do that is less than the dividend itself.

If the divisor is less than ' 1 ', then you only take away a piece of
' 1 ' each time.  You can do that more times than the number in
the dividend, because you only take away a piece each time.   
5 0
3 years ago
william will be attending college next year. he thinks that even though the tuition is higher at college A it will cost less ove
LuckyWell [14K]
I agree with William because going to an in-state college you could live off campus which can save you tons of money
6 0
3 years ago
Please help i dont understand
harkovskaia [24]

Answer:

y=x is the correct answer

Explanation:

A linear equation is an equation between two variables that gives a straight line when plotted on a graph.

Why the other ones are incorrect:

y=√x gives a radical function graph

y=x^3 gives a cubic graph

y=x^2 gives a parabola

7 0
3 years ago
What is the value of f(3)
Elden [556K]

if x = 3


3 > -1, and so you use the x² formula.


Plug in 3 for x


x² = (3)²


Simplify


3² = 3 x 3 = 9


9, or (A), is your answer


hope this helps

7 0
3 years ago
Read 2 more answers
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