Correct answer is B.
Explanation:
In their nucleus cells contain DNA. The DNA has information about size, shape and function of each cell. When the cell reaches it's full size it stops growing and starts doing whatever it's function is. If more cells are needed then the cell replicates. This explanation excludes answers A and C.
Male and female sexual cells are used to conceive a baby. These cells combine to form a new type of cells. In the first few weeks all types of cells are created. Then the creation of new types of cells stops and existing cells multiply in order to achieve needed number of cells. This explanation excludes answer D.
When we compare an adult person and a baby we can see that, for example, an adult has bigger bones than a baby. This was result of increasing number of existing types of cells without creating any new type.
Hawaii is <u><em>a state</em></u>. It belongs to the country The United States of America.
Answer:
A large part of South Asia receives rainfall mainly during the Indian Summer Monsoon (ISM) season of the year (Jun–Sep). The socioeconomic conditions of most of the developing countries in this region largely depend on the ISM rains. It also played important roles in rise and collapse of ancient civilizations in this region. However, the influence of the ISM on Indian ancient civilizations has not yet been fully explored though there were some attempts to correlate monsoon variation with their rise and fall. For example, in the mid to late Holocene period, Indus Valley or Harappan Civilization flourished in the western part of India from its early development, through its urbanization and eventual transformation into a rural society. Probably a prolonged decrease in the ISM rainfall caused the decline in the urban phase of the Indus Civilization around the 4.2 kyr BP global climate event. Another well-recorded early Holocene global climate event is the 8.2 kyr BP cooling event which also reportedly influenced ISM significantly, but its impact on human settlement is not clear in this region. The present study is a comprehensive review of the archaeological and climatological researches carried out on the role of ISM variability on the rise and fall of ancient Indian civilizations for the most part of the ongoing interglacial period, the Holocene. The review covers the studies on the period of the last 10 kyr as evidence suggests that human settlement and cultural developments in this region started around the beginning of this period. We have noted that the existing studies are mostly restricted to vague qualitative analysis of the weakening/strengthening of the ISM, and researches related to quantitative estimations of changes of the monsoon strengths and durations of drought events that caused collapse of civilizations are limited. Therefore, in the present analysis, emphasis has also been given on the requirement of estimating the absolute changes that might have caused cultural shifts. Some possible ways to quantitatively estimate the changes of some climate parameters are discussed.
Answering the question, according to the theory of plate tectonics, <u>the lithosphere is divided into plates</u>. This implies the correct answer is B.
The lithosphere, the outer shell of the earth is composed of nine major different plates. These plates are named based on the landforms that are found on each of them. Also the crust and part of the upper mantle join together to form the lithosphere.
<h2>Further Explanation</h2>
All the important major plate include
- Australian
- North American
- Indo Australian
- South American
- African
- Indian
- Pacific
- Antarctic
- Eurasian
Out of all the major plates, the Pacific plate is the largest and has 39,768,522 square miles and also equivalent to 103,000,000 square kilometers. Most of this plate can be found below the ocean.
The evolution of the theory of plate tectonics is one of the recent major discoveries by scientists.
According to the theory, the earth’s crust or the outer layer is made up of a series of plates consisting of lithospheric material that floats over the denser asthenosphere on the upper mantle across the Earth’s interior.
In other words, the outer layer, or the earth’s crust along with the upper mantle is splits into different sections and that the Earth is composed of plates.
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KEYWORDS:
- theory
- plate
- lithosphere
- tectonics
- earth
- crust
- outer layer
1-Ecuador
2-Colombia
3-Brazil
