Answer:
If respiration stops in a plant it will die, so plants constantly respire during the day and through the night. Respiration is a different process to photosynthesis, which depends on sunlight and therefore takes place only during the day.
Explanation:
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Answer:
The earth's macromolecules inside the <u>moitochndria</u> which supported the successful evolution of protobionts.
Explanation:
Protobionts -
The evolutionary precursors of the prokaryotic cells are the protobionts . carbohydrates , proteins , lipids and other organic compound have the most important auto catalytic organic compounds .Water is required for the assembly of the protobionts endoplasm .
Mitochondria is the heterotropic protobionts that can obtain energy from organic molecules .It is possible that the earliest mitochondria could be used as protobionts food .
The Chloroplast and the mitochondria was developed as soon as the self sufficient protobionts could obtain energy directly from the environment .
Answer:
B
Explanation:
Europe had a rising demand for oil but few reserves. To help meet the demand, Europeans colonized many Middle Eastern countries that had rich oil deposits.
Answer:
Density is one of the most factors that play a key role in plate tectonic activities. Some of the ways in which density is important in the field of plate tectonics are as follows-
- The convergent plate boundaries are responsible for the creation of a subduction zone, where the high-density lithospheric plate subducts below the less dense one. It is because the heavier plate is comprised of heavy minerals thereby forming heavier rocks as a result of which its density increases. Due to these differences in density, there occurs a subduction zone.
- The divergent plate boundary forms where two plates move away from one another. This type of plate motion is responsible for the eruption of magma on the seafloor. As the plates diverge, the lithosphere becomes eventually thin, and with more progressive spreading, the magma comes out to the seafloor. This is because the hot magma is less dense, and forms convection cells as they rise upward. This is how the density helps in the upwelling of magma at the mid-oceanic ridge in a divergent plate boundary.
- When there collide two plates of equal densities, then it gives rise to the formation of huge mountains, because neither of them is heavy to get sink. So it uplifts the crust, forming a sandwich-type pattern.
