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romanna [79]
3 years ago
9

What do astronomers call a system that is composed of more than two stars

Biology
1 answer:
adell [148]3 years ago
3 0
The answer is constellations.
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An organism has been found to contain a defective form of photolyase. what function might be impaired in this organism?
bagirrra123 [75]
It might be repair of dna caused by uv light
4 0
2 years ago
Water is an important part of the biogeochemical cycles on Earth. Complete the sentences about water. In the water cycle, water
Archy [21]

Water is the main constituent on the earth surface. It is important for all living beings to survive. It is a transparent, odourless, colourless chemical substance. Water has vital role in atmosphere. It undergoes several cycles. In water cycle, water from rivers, lakes and streams enters the atmosphere through Evaporation. In evaporation the element or the compound in it's liquid state changes to gaseous state below the temperature at which the it boils. This is due to the high temperature. Due to high temperature the water from different water bodies enters the atmosphere in the form of vapours. In the carbon cycle, water exits the pore of leaves in plants by a process called as transpiration. Transpiration is a process by which the moisture is transferred from roots to the outside of the leaf whic

Therefore, In water cycle, water from rivers, lakes and streams enters the atmosphere through vaporisation. in the carbon cycle, water exits the pore of leaves in plants by a process called as transpiration.  In nitrogen cycle, the water  as well as dead organism moves nitrogen from the atmosphere into the soil.

5 0
4 years ago
Why do vertebrates have vertebrae instead of just having one long backbone?
Anarel [89]

Answer:

so we can move our back and be flexible

Explanation:

brainliest?

6 0
2 years ago
From what material is the block made
dedylja [7]
Block is made up of many identical constituent particles...
6 0
3 years ago
Considering the drifting of continents, how do you explain the abundance of marsupials and the absence of native placental mamma
garri49 [273]

Answer:

this phenomenon is a natural consequence of evolutionary processes and continental drift  

Explanation:

Marsupials are mammals in which newborn offspring are carried in a pouch of the female (mother) body. On the other hand, placentals are mammals that complete embryo development in the mother's body, in the placenta. All the extant marsupials are endemic to Australia and the Americas. It has been shown that marsupials diverged (evolved) in South America, Australia and Antarctica when these landmasses were joined. In Australia, marsupials evolved to fit an ecological niche, which can be attributed to geographic isolation due to continental drift, while placental mammals are relatively recent and more scarce (mainly bats and rodents) within this region.

5 0
3 years ago
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