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3 years ago

How do biozones help scientists identify rock layers across distances?

Physics

1 answer:

ratelena [41]3 years ago

7 0

<h2>Answer with Explanation</h2>

A biozone is a portion of a layer of Earth’s crust where fossils are found. Biozones help scientists to excavate the fossils and help trace the path of evolution over time as it is a stratigraphic unit which is defined by its fossil content. There are several different ways in which biozones can be designated in terms of the zone fossils that they contain and often, some environmental factors that take place to consider the definition and interpretation of biozones.

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A lumberjack (mass = 103 kg) is standing at rest on one end of a floating log (mass = 277 kg) that is also at rest. The lumberja

Lorico [155]

Answer:

Explanation:

Given

mass of lumber jack $m_L=1000 kg$

mass of floating log $m_f=277 kg$

velocity of lumber jack =3.74 m/s (w.r.t. shore)

conserving momentum

Initial momentum=Final momentum

$0=m_L\times 3.74+m_f\times v$

$v=-\frac{1000\times 3.74}{277}$

$v=-13.501 m/s$

(b)For second Log

Conserving Momentum

Initial momentum of log and Lumber jack=Final momentum of log and lumberjack

$m_L\times 3.74=(m_L+m_f)u$

u is final velocity of lumberjack and log

$u=\frac{m_L}{m_L+m_f}\times 3.74$

$u=\frac{1000}{1000+277}=2.92 m/s$

5 0

4 years ago

During the day, susan notices that the wind is blowing onshore at the beach. What is this called? land breeze land breeze sea br

In-s [12.5K]

The correct option is (b) Sea breeze

During the day, susan notices that the wind is blowing onshore at the beach called sea breeze.

What is sea breeze?

Any wind that flows from a big body of water onto or onto a landmass is called a sea breeze or an onshore breeze.
Sea breezes form as a result of changes in air pressure brought on by the different heat capacities of water and dry land. Sea breezes are therefore more confined than prevailing winds.
A sea wind is frequently seen along coasts after sunrise because land warms up far more quickly than water does when exposed to solar radiation.
The sea wind front is significant because it can serve as a catalyst for afternoon thunderstorms and provide welcome cooling along the coast.

Learn more about the sea breeze with the help of the given link:

brainly.com/question/13015619

#SPJ4

8 0

2 years ago

A horse pulls on a carriage. By Newton's third law, the carriage pulls back on the horse with equal force. Why do the action and

Andrews [41]

Answer:

By Newton's third law the cart must then exert an equal and opposite force on the horse. ... If it doesn't accelerate, and it started it rest, it must remain at rest (by the definition of acceleration), and therefore no matter how hard the horse pulls, it can never move the cart

5 0

3 years ago

What is the difference between an observation and an inference?

Vinvika [58]

Explanation:

observation is something what you could observe from your organs like eyes ears etc and also it is what you observed during an event for an experiment but inference is what you decide to do after observation or an event.

the act of inferring (to derive by reasoning). Observation = an act or instance of noticing or perceiving.

Thank u!

5 0

3 years ago

The uniform bar of mass m and length l is balanced in the vertical position when the horizontal force p is applied to the roller

WARRIOR [948]

Which of the following is NOT a factor in efficiency?A.metabolismB.type of movementC.muscle efficiencyD.digestion

7 0

4 years ago