Answer:
The percentage of space not occupied by solid matter in soil is called :
B. Porosity.
Explanation:
- Porosity is represented as the percentage of void in the soil.
- In simple words, it is the number of pores present in a soil.
- The porosity of soil is a factor that determines the quality and suitability of the soil for agriculture.
- A more porous soil does not hold lot of water and nutrient while a less porous soil retains water and nutrient.
- Thus neither a extremely porous nor a less porous soil is suitable for agriculture.
Answer:
Looking at the sky during night is always an amazing scene. It takes our breath away, every time when we see the night sky with countless stars twinkling, full moon and planets. I always wished I reach those far planets travelling in space. The only way I can fulfill my dream is to become an astronaut. Astronaut is a person who is trained to travel in a spaceship to go to outer space. If I were an astronaut, I wish my first mission will be to the moon. However, I will have to undergo a very strict training to survive in space We all have seen the training videos of astronauts in DISCOVERY channel where they even undergo underwater training. Life in space will be different with zero gravity and so we will experience zero weight and will float freely. Wow!!!! that seems to be an exciting thing. But how we will eat and drink?
Answer:
gas particles are very losely packed then liquid
they would be melted and vaporized in the atmosphere.
Explanation:
Meteoroids is piece of solar rock before it strikes the earth surface. Meteorites are rocks that strikes the surface of the earth from space.
- In earth science, meteorite impacts are often attributed with mass extinctions on the earth surface.
- For a meteorite to reach the earth surface, it must has a very large diameter.
- This big rocky mass must be able to escape the earth geomagnetic field and the ionizing radiation in the upper reaches of the earth atmosphere.
- Meteoroids of smaller sizes cannot escape the earth's atmosphere and would completely ionized and melted.
Learn more:
Meteorite brainly.com/question/6372454
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DNA is a COMBINATION of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base.
