Answer:
This rapid growth increase was mainly caused by a decreasing death rate (more rapidly than birth rate), and particularly an increase in average human age. By 2000 the population counted 6 billion heads, however, population growth (doubling time) started to decline after 1965 because of decreasing birth rates.
There is your google answer
Explanation:
The glacier's move dirt and rocks
Answer:
A
Explanation:
A thunderstorm only occurs in cumulonimbus cloud.
A change in the wind direction and high speed winds at high altitudes makes the air to swirl around horizontally
.
The air which rises from the ground tries to push up the air which is swirling around and tips it over.
The funnel of the air starts sucking up more warm air from the ground.
The funnel grows longer and longer and stretches to reach the ground and
when the funnel reaches the surface it becomes a tornado.
Answer:
[a] varies in its characteristics according to local environmental circumstances
[b] becomes common within a species through natural selection
[d] tends to promote the well being of an organism in its natural or social environment
Explanation:
The adaptive traits in the living organisms have a simple basic role, that is to make the organism better suited for survival in its environment. The adaptive traits come in all sorts of different shapes, be it some that are manifested in the physical appearance or in the behavior of the organisms. Adaptive traits can be increased speed, prolonged neck, living in a groups, developing thorns and many more. This type of traits occur when the organisms face increased competition or when the environment in which they live starts to change, so in order for them to survive, they start to develop traits that will make them better suited for the new conditions and more competitive. The main principle through which the adaptive traits are transferred and rapidly increase in a population is through natural selection, as the organisms choose the ones that have advantageous traits for their mates, while they live aside the others.
