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GrogVix [38]
2 years ago
5

Which type of fossil do scientists use to compare the relative ages of other fossils?.

Biology
1 answer:
konstantin123 [22]2 years ago
4 0

Answer:

Index Fossils

Explanation:

Index fossils are used by scientists to help them figure out the dating of discovered fossils or the correlation. They are also very known to appear in a (very) certain/specific age range.

Hope this Helps!

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What are the the Plate made of (the layer of the Earth?) and what do they do?
DaniilM [7]

Answer: The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite. There are two types of crust; oceanic and continental. Oceanic crust is denser and thinner and mainly com​posed of basalt.

Explanation:

6 0
2 years ago
Please help fill in the blank with each letter of the definition i need help
VMariaS [17]

Answer:

frequency✧C

wavelength✧A

wave speed✧D

wave period✧E

amplitude✧B

i'm not sure if they are all correct so sorry ✧

5 0
3 years ago
a sample of human cells is suspended in a nutrient solution overnight. The next dasy, the scientist observes that the cells have
TEA [102]

The question is incomplete as it misses the options which are:

Cancer cells do not exhibit density dependent inhibition

Cancer cells do not require growth factors

Cancer cells do not exhibit anchorage dependence

Cancer cells ignore typical cell cycle checkpoints

Answer:

The correct answer will be option- Cancer cells do not exhibit anchorage dependence

Explanation:

A cell becomes tumour forming cell or cancerous cell when the cell undergoes some mutation in the DNA which causes uncontrolled cell division without differentiation.

As a result of the mutation, these cancerous cells show various properties which are present in the normal cells nut absent in cancerous cells like the cancerous cells lack the anchorage dependence.

Anchorage dependence is the property of the cells or the group of cells in which the cells maintain their adherence to the other layer of cells to communicate with each other.

Thus, the cancerous cells lack the anchorage dependence

6 0
3 years ago
Dr. Haxton says the o-o bond is polar and the c-c bond is nonpolar. A good student would say ...
Serggg [28]

Dr. Haxton says the O-O bond is polar and the C-C bond is nonpolar. A good student would say ...

a.No, both bonds are highly polar.

b.Yes. O attracts electrons more strongly than C.

c.Right! O is electronegative, so O2 is polar.

d.Wrong again, Ralph. Both bonds are nonpolar. When two atoms of the same kind form a covalent bond, they share electrons equally because their electronegativity is the same.

e.No way. C is more electronegative than O.

Answer: d.Wrong again, Ralph. Both bonds are nonpolar. When two atoms of the same kind form a covalent bond, they share electrons equally because their electronegativity is the same.

Explanation:

Often when O and H are present in the substance at (opposite) ends (of the electronegativity scale), the polarity observed is very large, we can safely say the substance have a polar bond in it.

6 0
3 years ago
What is the region of the sarcolemma across from the axon terminal at the neuromuscular junction?
polet [3.4K]

Answer:

The answer is motor end plate.

Explanation:

<em>The region of the sarcolemma across from the axon terminal at the neuromuscular junction is the motor end plate.</em>

6 0
3 years ago
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