Answer:
Alfred Wegener
Explanation:
In 1912 Alfred Wegener (1880-1930) noticed the same thing and proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution.
Answer:
The Ecological Footprint of a person is calculated by adding up all of people's demands that compete for biologically productive space, such as cropland to grow potatoes or cotton, or forest to produce timber or to sequester carbon dioxide emissions.
Explanation:
The answer is; atmospheric and oceanic circulations
The sun heats up the earth differentially. Therefore, local regions gain temperatures variably. In the local atmospheres, the less dense air rises and is replaced by cooler air masses creating winds and weather systems. In the oceans, the warm waters move towards the poles (on surface waters) as the cooler more dense water moves towards the equator deep along the ocean floor.
phenotypes are expected in the offspring of this cross?
From a cross of homozygous dominant and homozygous recessive parent lines with heterozygous parents, a 1:1 phenotypic ratio is seen. Two types of phenotypes will form.
A dihybrid cross involves two traits. Example: an animal with both genes for height and body coloration is taken . The height is represented as T. T is for tall characters, and t is for short characters. A homozygous dominant character is represented as TT. Homozygous recessiveness is expressed by tt.
Another gene such as body coloration is taken. Black (B) is dominant over white (b). An animal with homozygous dominant is BB. An animal having homozygous recessive is bb.
A parent with homozygous dominant for tall character and homozygous recessive for body colour is represented by TTbb. An animal that is heterozygous for height and body coloration is taken as TtBb.
From the crossing, two phenotypes are derived, such as tall black and tall white. Out of all eight individuals, four are tall black and four are tall white. The phenotypic ratio is 1:1. The cross is explained below.
Hence, two types of phenotypes will be formed with a phenotypic ratio of 1:1.
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the cross is AAbb*AaBb
There would be 4 different genotypes and 2 different PHENOTYPES for the offspring. (From the first gene we can get AA or Aa from the second one Bb or bb)
AAbb
Aabb have the same phenotype
AABb
AaBb have the same phenotype
A. Drilling down and bringing up samples to study
B. Comparing the composition of the crust to other bodies in the
solar system
C. Using remote sensing techniques in the ocean
D. Shooting seismic waves into the planet and seeing how they travel
The method that scientists use to determine the composition of Earth's layers is comparing the composition of the crust to other bodies in the solarsystem. The correct option is B.
Based on composition, there are three divisions: core, mantle, and crust. Oceanic and continentalcrust, which makes up less than 1% of the Earth's total mass, typically contains more felsicrock.
Approximately 68 percent of the mass of the Earth is in the heated mantle. The core's primary metal composition is iron.
The majority of the rocks that make up the Earth's mantle are silicates, a large class of substances with a common silicon and oxygen structure.
The core is almost entirely comprised of metal, notably iron and nickel, in contrast to the crust and mantle, which are rich in minerals.
Scientists compare the composition of the crust to that of other worlds in the solarsystem to ascertain the composition of the Earth's layers.
Thus, the correct option is B.
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Answer:Comparing the composition of the crust to other bodies in the
solar system
Explanation: I took the quiz
number of subunits in the polymer chain
its greater tensile strength
the synthetic composure
Answer:
Its greater tensile strength.
Explanation:
According to the law of elasticity, elasticity is the property or nature of any material, which is the reason to return itself to its original shape when it is de-shaped or deformed for any reason. As an example, we can say about spring. Spring comes to its original shape when it is stretched and then released. So the property that brings the spring back to its original form is called elasticity.
On the other hand, tensile strength is the greatest stress that a material can withstand before it breaks since polymers are also elastic, so the higher tensile strength means more excellent elasticity. A tensile tester is used to measure the tensile strength of any material.
Answer:
THE ANSWER IS C
Explanation:
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