World War 2 occurred in the late 40's, so this is most likely why there is a dip in that age group.
Answer:
The Colorado stream is extremely helpless by human abuse, natural issues, and destitute stream administration procedure. As a especially over-apportioned water asset, the water quality of the stream is jeopardized by agrarian overdraw, that will increment the saltiness of the stream. to boot, this overdraw is overstated by climactic changeability. With overstated temperature and variable precipitation, the amount of snowmelt contributive to the stream of the stream will exclusively diminish, that subsequently diminishes its capacity capability.
Explanation:
Copy and paste if you please but paraphrase have a nice day
The magma that rises out of them cools eventually, with some help from the water. eventually all the cooled magma builds up into an island.
Answer: The Northern Hemisphere points towards the sun.
Explanation:
Summer solstice refers to two distinct times of the year, in either June the 20th or the 21st, when the Sun is farthest north in the Northern Hemisphere, and December 21st or the 22nd, when is farthest south in the Southern Hemisphere. During summer solstice in the northern hemisphere the one that gets more direct sunlight. It also signals the beginning of summer in the northern hemisphere and the start of winter in the southern hemisphere.
A succession of ocean waves set in motion by a submarine earthquake (also known as underwater earthquake) is called a tsunami. This happens when tectonic plates move, converge, or subduct. Submarine earthquakes are common in Asia where there’s a submarine earthquake zone called Pacific Ring of Fire.