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SSSSS [86.1K]
3 years ago
8

What layess compoce erarth core

Biology
1 answer:
chubhunter [2.5K]3 years ago
6 0
<span>Crust, mantle and core (core has 2 layers) </span>
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"ucture and properties of Matter
lapo4ka [179]

Answer:

Covalent bonds form when two atoms share valence electrons,

while Van der Waals forces cause an attraction between nonpolar

molecules

Explanation:

A covalent bond is said to be formed when two atoms of the same or different elements share electrons. In an ordinary covalent bond, each bonding atom contributes one valence electron while in a dative covalent bond only one of the bonding atoms provides the shared pair of electrons.

Van Der Waals forces is the major intermolecular interaction between non polar compounds. Van Der Waals forces " are caused by correlations in the fluctuating polarizations of nearby particles"(Wikipedia).

4 0
3 years ago
In Drosophila, straight wings are dominant to curved wings (c), smooth eyes are dominant to sparkling eyes (spa), and tan body i
77julia77 [94]

Answer:

\frac{1}{8}

Explanation:

Straight wings are dominant over curved wings

Let Straight wings : H

curved wings : t

smooth eyes are dominant to sparkling eyes

let smooth eyes = H

spark ling eyes = t

tan body is dominant to ebony body color.

Again; Let tan body color be H

Let ebony color be t

If flies that are heterozygous for all three traits are crossed;

we have HtHtHt × HtHtHt

Then the selected trihybrid traits for the cross will be (HHH,HHt, HtH, Htt, tHH, tHt, ttH, ttt)

We will realize that from the punnet square in the diagram below, the proportion of the offspring would you expect to be heterozygous for all three traits (i.e HtHtHt) is asterisk in the punnet square and will be \frac{8}{64}

= \frac{1}{8}

7 0
3 years ago
What are 5 reasons medeel chose peas for genetic subjects?
tangare [24]
1. They are easy to raise.
2. Have many offspring during per mating.
3. It can fertilize itself.
4. It has varieties in genotype that is easy observable.
5. It has phenotype that is also easy observable.
4 0
2 years ago
Read 2 more answers
What would be the best instrument to use to measure wind speed?
Novosadov [1.4K]

Answer: C.anemometer

Explanation:

7 0
2 years ago
Describe what would occur if you turned a growing seedling on its side (without disturbing the root system.) What is occurring i
Pie
Try looking this up through quizlet! i found one called “plant responses “ that may help you
5 0
2 years ago
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