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wariber [46]
4 years ago
6

1. Which crystal system has the simplest structure?

Biology
2 answers:
goldenfox [79]4 years ago
6 0

Answer:

<em>The crystal system has a simple structure called the cubic system, Minerals are solids that are naturally formed through a method called the inorganic processes, they   have an arrangement (atomic) that ordered.  </em>

Explanation:

<em>The crystal system that has the simplest structure is called the cubic system</em>

<em>The body-centered cubic and face-centered cubic, and simple cubic are part of a a crystal system. </em>

<em>Minerals have crystal structures because they a have  crystal structure. that is definite. Minerals are solids that are naturally formed through a method called the inorganic processes. the properties of some minerals can be hardness, shape, density and color.</em>

<em>Minerals are seen as  inorganic substances they are not formed or created  by humans that's why we can't determine the specific structure of majority of minerals.they also  have an ordered atomic arrangement.</em>

hammer [34]4 years ago
5 0

Answer:

Explanation:

1) The simplest structure is cubic system like simple cubic, body-centered cubic and face-centered cubic in the crystal system.

2) Yes, all minerals have crystal structures because minerals have definite crystal structure. Minerals are solids that are formed naturally through the inorganic processes. Some mineral properties are density, shape, color and hardness.

3) Minerals are the naturally occuring inorganic substances which have ordered atomic arrangement, they are not made by humans that's why we can't predict the specific structure of majority of minerals.

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Once double fertilization occurs in plants, the zygote is __________ and the endosperm is __________.
dybincka [34]
Double fertilization happens when one sperm cell wires with the egg to create a zygote, and the other sperm cell wires with the two polar cores to make the endosperm. 
To answer the above:

Once double fertilization occurs in plants, the zygote is diploid and the endosperm is <span>triploid.</span>
4 0
3 years ago
A single die is rolled twice. Find the probability of rolling an odd number the first time and a number greater than 2 the secon
pav-90 [236]

Answer:

I haven't taken that test yet

Explanation:

3 0
3 years ago
A plant breeder has determined the following variances for yield of corn in his fields:
Law Incorporation [45]

Answer:

A. VG = 80

B. Broad sense heritability = 0.80

C. Narrow sense heritability = 0.30

D. Average yield = 430 Units

Explanation:

A. Given that

VA = 30

VD = 50

VI = assumed not available

Therefore

Total genetic variance (VG) = VA + VD

= 30 + 50

= 80

VG = 80

B. Given that

VP = 100

VG = 80

Broad sense heritability, H2 = VG/VP

= 80/100

= 0.80

C. Given that

VA = 30

VP = 100

Narrow sense heritability, h2 = VA/VP

=30/100

= 0.30

D. The difference in selection = 500 - 400

= 100

Recall,

Selection response is heritability multiplied by selection differential.

That is

R = h2S

Selection differential = 100

Heritability h2 = 0.30

Selection response = 0.30 × 100

= 30units

Therefore, expected average yield = 400 + 30

= 430 Units

6 0
3 years ago
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anygoal [31]
The 1912 worlds fair I think
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3 years ago
What system of your body would be activated if you were surprised
Mekhanik [1.2K]
Salutations!

What system of your body would be activated if you were surprised?

Endocrine system would be the system of your body that would be activated if you were surprised. Your endocrine system creates and liberates hormones that sway other body parts or glands, even your emotions.

Hope I helped :D
3 0
3 years ago
Read 2 more answers
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