The mid-ocean ridges are elevated above the surrounding seafloor because Ridge rocks are hot and therefore of relatively less dense than adjacent cooler oceanic crust.
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A C and D. It cannot be b because scientists have warned people in the past about volcanoes and their possibility for erupting. Earthquakes cannot be predicted however there are warning signs one can look for.
The correct answer is D. How national borders in a region change over time.
Explanation:
The main purpose of maps is to show geographical features including natural physical features such as mountains or rivers, and political features that refer to the use of land by humans and the divisions created by them. Due to this, through maps, it is possible to visually show cities, states, regions countries, etc. In this context, a series of maps can be used to show the evolution or change of national borders because this is part of political features. Also, other aspects such as policies, beliefs, or economic events are not geographical and due to this cannot be depicted through maps.
Answer:
True
Explanation:
This given statement is true.
A dominant allele is the one which overrides the expression of the other allele of the same gene.
For instance,
R is a dominant allele and give red color to flowers while r is the recessive allele and give white color to the flowers
Rr together will give red color to flower because R will dominate r
