Answer: Please refer to Explanation
Explanation:
Stream - A series of connected channels that fills with water.
Rill - A small groove in soil created by runoff.
Gully - A channel of connected grooves created by runoff.
- Occurs when rills get bigger due to more runoff and then connect to become even bigger.
Tributary - One of many channels that connect to form a river.
- Tributaries feed rivers but never the open sea.
Answer:
Electron microscope
Explanation:
Instead of using light, it utilized a beam of electron for illumination. Because an electron beam has a shorter wavelength than light (up to 100, 000 times shorter), they have a higher resolution power and are therefore able to view sub-cellular structures including DNA.
Answer:
The right answer to this question is option A) island forms and mainland forms descended from common ancestors.
It's known in science that a long time ago, all the continents were only one, united all together in a bigger one. This can be observed by the way every continent can fit another one.
A proof of that too, is evolution, when we find organisms in an island that share some characteristics with organisms from another island, that can mean some things, they come from the same place, or these islands share characteristics that lead these organisms to be this way through evolution.
It's called complete dominance of the dominant gene when it totally masks expression by the recessive gene.
Answer:
No, If that was the case, then we should only be eating carbohydrates.