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Because the water isn't uniformly distributed. Actually the Earth is all rock! It would be more accurate to say that the planet's allocation of water is insufficient to cover all the higher relief that we know as land.
Of the water on Earth, over 90% is in the oceans and is naturally salty. Over 90% of fresh water on the Earth is locked up as ice in Antarctica, and represents about 4% of earth's water. Almost all water (as above) exists as liquid water.
The troposphere is the layer that is responsible for all the weather on earth. It contains roughly 80% of the earth's mass, and almost 100 percent of all the water vapor.
Water hydrates the earth. Almost all beverages are made with water, or have water in them. Water also makes up 75% of the earth. It is used to water the grass, the trees, the beautiful flowers in our yard, etc. (What else are you going to use to take a shower?!?)
Almost all of the energy that affects the climate on the Earth originates from the Sun.
The oceans
Because the water isn't uniformly distributed. Actually the Earth is all rock! It would be more accurate to say that the planet's allocation of water is insufficient to cover all the higher relief that we know as land.
Water.
Almost all things weather take place in the troposphere, the lowest level of the Earth's atmosphere and the only one with substantial amounts of water vapor.
Of the water on Earth, over 90% is in the oceans and is naturally salty. Over 90% of fresh water on the Earth is locked up as ice in Antarctica, and represents about 4% of earth's water. Almost all water (as above) exists as liquid water.
The troposphere is the layer that is responsible for all the weather on earth. It contains roughly 80% of the earth's mass, and almost 100 percent of all the water vapor.
The troposphere is the layer that is responsible for all the weather on earth. It contains roughly 80% of the earth's mass, and almost 100 percent of all the water vapor.
To obtain chemicals from their surroundings, break down food, grow, move substances, within their bodies and reproduce.
Surprisingly little. Water covers a little under three-quarters of Earth's surface, but it's almost all on (or just below) the surface, so a relatively tiny fraction of Earth is water.
Hydrosphere include water in gaseous and solid state also. For earth, it's almost all liquid.
Almost all plants growing in the soil have root hairs
The Earth's rivers comprise only about 0.0001% of the Earth's water. All rivers come from various sources and they can be found in all the continents.