Answer:
Women have two x chromosomes, compared to men who have one x and one y chromosome.
Explanation:
Because of the two x chromosomes, one of them can override the other. In men they only have one x and one y, they don't have the extra x chromosome to override the allele.
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The correct answer is - accident.
In general, the invasive species are introduced into a new environment accidentally.This means that they have not been introduced on purpose, or in order to cause any harm to the ecosystem, though there are some exceptions.
The invasive species are usually very dangerous to the local ecosystem. The reason for that is that they usually do not have predators in the new ecosystem, or if they are the predators, than the local flora and fauna do not have defense mechanisms to cope with it. They also act very aggressively, have more offspring, as well as having the offspring on much shorter periods of time, which ends in occupying the space of the local organisms and even leading to their extinction.
Average speed of the car
10km/(15min/60)
=40km/h
Answer:
See Explanation
Explanation:
1. Clastic sedimentary rocks which is composed of fragments of preexisting rocks and minerals.
3. Formation of oxides takes place, except the noble gases Oxygen form oxides with all other elements. For example, oxide of hydrogen, silicon dioxide,etc.
6. Weathering is defined as the chemical and physical breakdown of rocks.
8. Acetic and citric acid dissolves calcite. However, it can also be dissolved by groundwater depending upon the factors such as temperature of water, pH value of water and concentration of ions dissolved.
10. Grinding away of rock with other rocks is called Abrasion. It is mainly caused by movement of wind and on surface stone or rocks against the surface of rock.
13. It is Chemical weathering which breaks down the rocks and also changes mineral composition of newly formed rock from it's parent rock.
14. These broken pieces of rocks are called sediments and word sedimentary is derived from sediments.
16. Soil is defined as the mixture of weathered rocks and organic material. Soil is produced from process of weathering and and natural erosion.
17. Rock forming minerals include fled-spars, calcite, quartz, mica, dolomite, etc.
Answer:
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Explanation: