The correct option is a. natural lake that is dry for long periods of time.
<h3>What is playa?</h3>
Playas are flat-bottomed depressions that are sometimes surrounded by water which it slowly seeps into the groundwater system or vaporizes into the atmosphere. As a result, salt, sand, and mud are deposited along the depression's bottom and around its edges.
Some key feature of playa are-
- Playas are also known as pans, flats, or dry lakes.
- They are typically found in inner desert watersheds and close to coasts in arid and semi-arid regions.
- The flattest recorded landforms are playas. Typically, their gradients are less than 0.2 meters per kilometer.
- Many kilometers of surface may be submerged when only a few centimeters of water are added.
- The nearly flawless flatness that is so distinctive of these dry region landforms is developed and maintained by the process of flooding.
- The middle, level basins of arid plains are called playas. They need drainage from the inside to a place where evaporation far outweighs intake.
- A playa lake arises when the area is inundated, concentrating salts and fine-grained debris.
- Playa terminology is somewhat confusing due to the abundance of regional names.
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<span>There are several reasons; including poaching and loss of habitat.</span>
Answer:
3. we would not exist because we are made of material that was recycled in galaxies.
Explanation:
If stars are randomly distributed in space, the elements like Hydrogen, Nitrogen, etc that releases when stars are dieing will not be close enough to come together to form a planet and thus lead to the formation of life on Earth.
The correct answers are:
- increased greenhouse gases;
The transportation system is one of the biggest emitters of greenhouse gases into the atmosphere, and this is due to the combustion of the fossil fuels, the end result being huge amounts of CO2 released in the air.
- increased pollution;
The energy sources used for the transportation systems are in general very damaging for the environment as they are letting out as a side product lots of pollutants.
- Easy movement of people, products, and ideas;
With the development of the transportation systems, the movement around the globe has become very easy and quick, and that has contributed to constant communication between people from all over the world, exchanging goods, ideas, technologies, as well as migration.
