Answer:
Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. ... By 1800 BCE, the Indus Valley climate grew cooler and drier, and a tectonic event may have diverted or disrupted river systems, which were the lifelines of the Indus Valley Civilization.
Dependency ratio is a measure of the number of dependents aged zero to 14 and over the of 65, compared with the total population aged 15 to 64
Answer: Ocean currents act as conveyor belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off, thus influencing both weather and climate. ... Land areas also absorb some sunlight, and the atmosphere helps to retain heat that would otherwise quickly radiate into space after sunset.
Answer: Roles
Explanation:
American expectations in marriage is viewed at helping each other in the homes, showing love, care and tackling challenges as they arise.
I believe the answer is: <span> Stage 4; eighth grade and beyond
In the stage 4 of reading stages, the Children tend to already developed the ability to understand the content of information from various perspectives.
For example, when reading a historical battle, children in previous stages would probably only see it as a battle of right versus wrong, while those in stage 4 would understand the reason why each sides have their own reason to be involved in the fight.</span>