Explain what is meant by the term “good mother dinosaurs.”

2 answers:

4 0

The term “good mother dinosaurs” is a term given to a type of dinosaur called Maiasaura which lived in the Upper Cretaceous Period, about 76.7 million years ago. This term is given<span> to the Maiasaura because of the meaning of its name "Maia". This name means "good mother" because this type of dinosaur found near of the nest of eggs and embryos.</span>

kompoz [17]4 years ago

4 0

There is evidence in the fossil record that dinosaurs were “good mothers.” Some species lived in groups in which adults surrounded the young. Other species built nests where some paleontologists believed young were reared until they were able to live on their own.

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5. If the line on a speed-time graph is not horizontal, what does that tell you about its

erik [133]

Answer:

The object is not at a constant speed. It is either gaining speed or losing speed.

Explanation:

A speed-time graph measures how fast you are going in a certain amount of time.

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4 years ago

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Marysya12 [62]

B sleeping because your body is allowed to relax and when you fall asleep everything slows down including your heart rate (that is why sometimes you will just randomly wake up in the middle of the night because your heart rate is very low)

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3 years ago

One student made the incomplete diagram shown below to represent the relationship between igneous rocks, sediments, sedimentary

Kryger [21]

Answer: Option (C)

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Igneous rocks when undergoes high temperature and pressure condition, it transforms into a metamorphic rock.
Sedimentary rocks are formed from the sedimentation and consolidation of sediments
Igneous rocks are formed due to the crystallization of magma.

Hence the correct answer is option (C)

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4 years ago

What potential difference is required in an electron microscope to give an electron wavelength of 4. 5 nm?

Lorico [155]

Potential difference required in an electron microscope to give an electron wavelength of 4. 5 nm will be 0.063 V.

The difference in potential between two points that represents the work involved or the energy released in the transfer of a unit quantity of electricity from one point to the other is called potential difference.

The wavelength of an electron is calculated for a given energy (accelerating voltage) by using the de Broglie relation between the momentum p and the wavelength λ of an electron

lambda = 4.5 nm = 4.5 * $10^{-9}$ m