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notsponge [240]
3 years ago
6

Which describes a speed?

Chemistry
1 answer:
Tanya [424]3 years ago
8 0
Its A or B... Correct me if im wrong. :)
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Geologists divide Earth’s long history into smaller units that make up the geologic time scale.
aleksandrvk [35]

False

Explanation:

The geologic time scale which simplifies earth's long history is broad division of deep time. It consists of a large and small divisions.

  • The geologic time scale is divided into large broad categories; called eons, eras, period and epoch.
  • The scale is merges absolute dating of events that has happened in geologic past and their relative ages.
  • Broad categories on the scale are further simplified into smaller units.
  • Relative age puts events in the order of their appearance using a couple of geologic principles.

Learn more;

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3 years ago
222 Fr<br> Beta decay of 87<br> I
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3 years ago
What was John Dalton's contribution to the development of the atomic theory?
Tpy6a [65]

Answer:

<h3>A. Dalton recognized that tiny atoms combined to form complex structures. </h3>
3 0
3 years ago
6. A 50-year-old sample of Strontium-90 is found. The half-life of strontium is 29
Gnesinka [82]

Answer:

the sample has mass of 50mg initially

Explanation:

https://youtu.be/ietdukGMG5c

8 0
3 years ago
The net force on an object that is accelerating at a rate of 4 m/sec is 255 N. What is the mass of the object in kg?
aleksklad [387]

Answer:

Given - acc = 4 m/ s^2

Force = 255 N

To find = mass

Solution -

Using the formula,

f = m \times a

255 = Mass × 4

255 /4 = Mass

63.75 = Mass

1 N = kg m/s^2

63.75 kg = Mass

7 0
3 years ago
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