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Dmitrij [34]
4 years ago
13

A characteristic that can be observed or measured without changing the composition of the substance is called?

Biology
1 answer:
melamori03 [73]4 years ago
7 0
Physical property is the characteristic that can be observed, using the five sense, without changing or trying to change the composition of the substance. Chemical property on the other hand is a characteristic of how the substance reacts. It can not be observed without changing the substance into something else. A physical change is a change in which the form or appearance of matter changes, but not its composition.
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4 years ago
A bird species in danger of extinction has a population that is decreasing exponentially left parenthesis upper a equals upper a
serious [3.7K]

Answer:

This will happen in 39 years.

Explanation:

The population of the birds varies as A = A.e^kt

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when t = 0, population = 1400

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Therefore:

1400 = 1000e^5k

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x= 5In(14)/In(1.4)

x= 39 years

5 0
3 years ago
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Answer:

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Explanation:

8 0
2 years ago
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