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sladkih [1.3K]
3 years ago
10

A substnace made up of two or more elemts is known as

Physics
1 answer:
xz_007 [3.2K]3 years ago
5 0

Compound : A substance made of two or more elements that are chemically combined in fixed amounts. Periodic Table of Elements : A table in which all the known elements are arranged by properties and are represented by one or two letters, referred to as chemical symbols.

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Test populations are studied. Population one is found to obey the differential equation dy1/da=o.2y1 and the population two obey
oksano4ka [1.4K]

Answer:

Population 1 indicates growth while Population 2 indicates a declining population

Explanation:

Here, using the given rate of change of the population, we want to determine which of the two is growing and which is declining

From the rate of change of both, we can determine this. Looking at the differential equation for the first one, we can see that it is of positive value. Looking at the differential equation for the second one. we can see it is of negative value

While a positive change rate indicates growth, a negative change rate will indicate otherwise

Hence, we can conclude that the one with a negative rate change will indicate a declining population

8 0
3 years ago
HeLp aSAp!!! If the speed and distance of an object are given, and I need to find the time, I will...
Helen [10]

Answer:

B - Divide Speed and Distance

Explanation:

Hope it helps!!

:D

5 0
2 years ago
Read 2 more answers
Physical science is
zimovet [89]

Physical science is the study of matter and energy, and the relationship between matter and energy.

E. The study of matter and energy, and the relationship between matter and energy

<u>Explanation:</u>

The study of issue and vitality and the associations between physicists concentrate such subjects as gravity, light, and time. Albert Einstein, a well known physicist, built up the Theory of Relativity.  

Material science is the investigation of issue and vitality at all scales—from the littlest particles of the issue to the whole universe.  

A geologist has practical experience throughout the entire existence of Earth. A sea-life scholar contemplates sea plants and creatures. A physicist ponders matter, vitality, and how they are connected.  

There are three primary parts of science: physical science, Earth science, and life science. Physical science is the investigation of lifeless common items and the laws that administer them. It incorporates material science, science, and cosmology.

5 0
3 years ago
If the Moon orbit Earth twice as fast, but in the same orbit, the frequency of solar eclipses would:a. doubleb. be cut in halfc.
slega [8]

The definition of the Eclipse of the Sun says that it will form the formation of an eclipse of the sun when the moon and the sun are in exactly the same direction as seen from the earth. In such a way that the moon passes between the spectator in the earth and the sun.

We will start considering that both speed and orbit are independent factors, guarantors of the generation of an eclipse. The Moon's Orbit is inclined 5,145 ° with respect to the ecliptic plane. The existence of a solar eclipse occurs only when the moon passes through that ecliptic plane at the same time that it is closest to the sun. If you go through that plane twice, the sun will not be aligned to the 'first time', but it will be in the second time. Therefore the frequency of solar eclipses would remain the same as the frequency of alignment of the Moon, the sun and the earth will remain the same.

Therefore the correct answer is C.

7 0
3 years ago
Check out the map showing tornado alley in the U.S. Although tornadoes can occur anywhere, they are most likely to occur when wh
Lyrx [107]
The answer is A bc when warm, moist air from the Gulf of Mexico and cool and dry air from Canada
8 0
3 years ago
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