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3 years ago

You could identify a sedimentary rock as a conglomerate because of which of the following

1 answer:

8 0

You could identify a sedimentary rock as a conglomerate because it consists of rounded fragments from pre-existing rocks that are larger than 4 mm. They often are found setting in finer-grained sedimentary matrix rocks. An example of conglomerate rocks are Breccia conglomerates which are rocks that have an angular and rounded clast.

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1. The Moon is made up of minerals similar to those on Earth, which are A. lunar breccias. B. silicates. C. highlands. D. rilles

makkiz [27]

The moon is made up of minerals similar to those on earth, which are silicates. The correct option among all the options that are given in the question is option "B".

When the moon reaches equal periods of orbitals and rotational periods, its known as synchronous. The correct option among all the options that are given in the question is option "D".

3 0

3 years ago

What is the core of the earth made of

harkovskaia [24]

Answer:

Core is made up of alloy which is the combination of Iron , Nickel , Gold , Platinum and  Uranium.

(From Google)

8 0

3 years ago

2 1. Scattering cross-section of acrosol particles is 2.5E-12 m , absorption cross-section is 0.45E- .2 12 m Concentration of pa

Alona [7]

Answer:

$T = 3.23 \times 10^{-83}$

Explanation:

thickness of aerosol layer is 2.5 km

zenith angle is 40 degree

we know that

$\tau = \epsilon_{ext} . h$

where

$\epsilon_{ext} = N.\sigma_{ext}$

$\epsilon_{ext}$ is extinction coefficient

$\sigma_{ext}$ extiction cross section

N = Concentration

$\sigma_{ext} = (2.5 + 0.45)\times 10^{-12} m^2$

$= 2.95 \times 10^{-12} m^2$

$\epsilon_{ext} = 2\times 10^7 \times 2.95 \times 10^{-12} m^2 \times m^{-3}$

$= 5.9 \times 10^{-5} m^{1}$

$\tau = 5.9 \times 10^{-5} m^{-1} \times 2.5\times 10^3 m$

$= 14.75\times 10^{-2}$

transimiitance $T = e^{\frac{-\tau}{\mu}}$

$T = e^{\frac{- 14.75 \times 10^{-2}}{cos 40}}$

$T = 3.23 \times 10^{-83}$

6 0

4 years ago

When reading a geologic map, rock units are labeled with letter codes. The first upper-case letter indicates _______, while the

tigry1 [53]

Answer:

geologic unit

When reading a geologic map, rock units are labeled with letter codes. The first upper-case letter indicates age of the geologic unit, while the following lower case letters represent geologic unit's name or the type of rock of which it is comprised.

Explanation:

Geologist have divided the history of the earth into 4 main periods of time; the Eons, the Eras the Periods and the Epoch. On a geological map, an initial capital letter is usually followed by one or more lower case letters while the lower case letters indicate either the name of the unit, if it has one, or the type of rock, if the unit has no name.

3 0

4 years ago

The Nubian capital of Meroë was an important producer of

notka56 [123]

The Nubian capital of Meroë was an important producer of iron. The correct option among all the options that are given in the question is option "b". Meroë is actually an ancient city that was located on the east bank of the river Nile. I hope that the answer has come to your help.

7 0

4 years ago