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3 years ago

A travel time graph can be used to find the?

Biology

2 answers:

Vinvika [58]3 years ago

8 0

A travel time graph can be used to find the distance of any earthquake epicenter.

A travel time graph is a graph of the time, usually P or S waves that is taken at various points as a function of distance from the epicenter of an earthquake seismic source. Information about the earth’s interior is obtained using the velocity of seismic waves through various substances.

Sergeeva-Olga [200]3 years ago

5 0

A travel time graph can be used to find the distance of any earthquake epicenter.

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What could a scientist do to determine what era the Eocene Period belongs to on the geologic time scale?

Burka [1]

Answer:

Option B) study information related to the Cenozoic era

Explanation:

The complete question is

Scientists discovered that the Eocene time period existed in Earths history around 34 MYA. What do they need to do to determine what time period Eocene belongs to on the geologic time scale?

A) learn what happened during Precambrian time

B) study information related to the Cenozoic era

C) view the timing of events in the Mesozoic era

D) research events that happened during the Paleozoic era

Solution -

The period of Eocene belong to the Cenozoic era. The Cenozoic era is divided into three periods-

a) The Paleogene – Existed between 65.5 to 23.03 million years ago

b) The Neogene - Existed between 23.03 to 2.6 million years ago

c) The Quaternary – Started some 2.6 million years ago and is continuing till present

The Paleogene is subdivided into three epochs –

A) The Paleocene – existed between 65.5 to 55.8 million years ago

B) The Eocene – existed between 55.8 to 33.9 million years ago and

C) The Oligocene – existed between 33.9 to 23.03 million years ago

Hence, studying about Cenozoic era will give information about the Eocene epoch

Hence, option B is correct

5 0

3 years ago

Pls help fizzly me confused and ill give you a briliant thingy

Alex73 [517]

Answer:

One difference between these cells is plant cell has chloroplast but animal cell does not have chloroplast.

Another difference between these is that plant cell has cell wall but animal cell does not have cell wall.

Explanation:

Plant cell are known to cells that possess chloroplast. These chloroplast contain chlorophyll which enables the plants to manufacture their own food. Animal cell does not possess chloroplast which makes it impossible for animals to manufacture their own food.

Plant cell actually have cell wall and a cell membrane but animal cell does not have cell wall but only possesses cell membrane. The cell wall gives mechanical strength and maintains cell shape.

7 0

3 years ago

What are all the parts of the endocrine system?

Elis [28]

Answer:

hypothalamus.

pituitary.

thyroid.

parathyroids.

adrenals.

pineal body.

the ovaries.

the testes.

4 0

3 years ago

Read 2 more answers

NADP+ is an example of an electron carrier. Describe its function in photosynthesis.

kompoz [17]

Answer:

Its ferment oxidant-renewal of bio-reactions at cells.

5 0

3 years ago

Action potentials (nerve impulses) are changes in the membrane potential that, once started, will affect the entire excitable me

stich3 [128]

Answer:

The order of events would be:

4.Threshold stimulus, Na+ channels open. This is the first event

5.Na+ influx, Depolarization. Second event

2.Na+ channels close, K+ channels open. This is the third event

1.K+ efflux, Repolarization. Fourth event

3.Hyperpolarization, K+ channels close

Explanation:

In resting state, the membrane is negative inside, and K+ concentration is higher than outside. Na+ concentration is higher outside instead.

Sodium influx is responsible for membrane depolarization. It's the event to produce the action potential. When sodium channels are closing, potassium channels open and K+ go outside until repolarization occurs. But now we have both ions in different sides of the membrane, and this can't be stimulated again to produce other action potential. The membrane will remain refractory to respond to the adequate stimulus until ions migrate to their original sites. This is Na+ outside, and K+ inside. This is responsibility of the Na+/ K+ pump, that uses ATP to pump Na+ out, and K+ in. Once both ions had been relocated in the membrane, this is ready to receive a correct stimulus to produce a new action potential.

6 0

3 years ago