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sineoko [7]
3 years ago
8

Question 2

Biology
1 answer:
Lady_Fox [76]3 years ago
6 0

Answer:

c.  Retrograde motion of the planets as they moved across the sky.

Explanation:

Ancient Greek philosophers were extremely intelligent people who propounded some ideas that have helped shape science to what it is today.

They had evidence for the spherical shape of the earth, the link between lunar phases and oceanic tides, and the existence of exoplanets, however, they did not have evidence for the retrograde motion of the planets as they moved across the sky because they believed that if the Earth moved around the Sun, then they would be able to see the stars from divergent points along Earth's orbit.

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What will be the effects if asteroid or comet hits the earth
AURORKA [14]

If the comet were to strike the planet, the impact energy would be about 300 times that of the asteroid collision that was thought to have caused the Cretaceous-Tertiary extinction that killed the dinosaurs about 65 million years ago.

5 0
3 years ago
What kind of effect can a chromosomal change can have on an organism?
SOVA2 [1]

Answer:

<u>positive, negative, or no effect</u>

Explanation:

The kind of effect that a chromosomal change can have on an organism is either positive, negative, or no effect.

The 3 main chromosomal disorders seen in humans are :

  1. <u>Down's Syndrome</u>
  2. <u>Klinefelter's Syndrome</u>
  3. <u>Turner's Syndrome</u>
6 0
2 years ago
List two examples of materials that transmit sound, absorb sound, and reflect sound.
sukhopar [10]
Fiberglass tiles and carpeting

3 0
3 years ago
Read 2 more answers
Which species is mostly likely a producer
Nitella [24]

The species that are mostly to be producers to be plants because they take in the light source aka the sun via photosynthesis. This takes up most of the energy in the ecosystem

4 0
2 years ago
A population is made up of individuals where 77 have the A1A1 genotype, 65 have the A1A2 genotype, and 123 have the A2A2 genotyp
lana [24]

Answer:

Frequency of allele A1- 0.41

Explanation:

In Hardy weinberg equilibrium,

P refers to the dominant allele

q refers to the recessive allele

The allele frequency will be p+q=1

The genotypic frequency is- P²+q²+2pq=1

P²= genotype of dominant trait ( A1A1)- 77

2pq= genotype of heterozygotes (2pq)- 65

q²= genotype of recessive trait (A2A2)-  123

Total number of offsprings= 77+  65+ 123

                                            = 265

Now to calculate allele frequency of A1=

\dfrac{\text{number of A1A1 offspring}}{ \text{total number of offspring}}+\dfrac{1}{2}(\dfrac{\text{number of A1A2 offspring}}{\text{total number of offspring}})

= 77/265 + 1/2( 65//265)

=  0.290+ 0.122

= 0.413

Thus, 0.41 is correct.

3 0
3 years ago
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