Answer:
Usually contains a large amount of a matrix.
Answer:
b all the water on earth would freeze
Explanation:
if heat were not trapped in the atmosphere it would become very cold causing the earths water to freeze.
Answer: Cells typically receive signals in chemical form via various signaling molecules. When a signaling molecule joins with an appropriate receptor on a cell surface, this binding triggers a chain of events that not only carries the signal to the cell interior, but amplifies it as well.
Explanation:
Answer:
The correct sequence would be E, A, D, C, B
Explanation:
For the evolution of life to begin, the Earth formed as Earth is the only planet which can support life and has favourable conditions. Life first began from prokaryotic organisms which engulfed smaller prokaryotes and gave rise to unicellular eukaryotes. With the passage of time, the unicellular eukaryotes evolved to form multicellular eukaryotes. The life on Earth then started after the formation of multicellular eukaryotes in the oceans and seas.