Answer:
1) A few things that sound waves can go through pushing the particles of the medium, closer together, the particles that have been upset at that point push adjoining particles, prior to bobbing once again into their unique positions. An example can be a guitar string producing sounds.
2) Light waves can travel however space through a vacuum a totally airless space.
Explanation:
Answer:
I'm not sure about 9 and 10
11) True
12) False
Answer:
The answer is dominant.
Explanation:
The species in a community that is more abundant in number or biomass than any other is the <u>dominant</u> species, although not necessarily the species that has the greatest impact on the community. Dominant species, therefore, also have bigger niches and represent a big part of the competition with others.
Answer: Option 4.
The fresh water is hypotonic and the salt solution is Hypertonic.
Explanation:
Hypotonic solution is a solution that have little dissolved solutes i.e low osmotic pressure compare to other solution. When a cell is put in hypotonic solution, it take in water and the cell swell up and it does not burst due to it's cell wall thereby becoming turgid or hard.
Hypertonic solution is the solution where the concentration of solute is higher outside the cell than inside the cell. Example is saline water.when a cell is placed in Hypertonic solution it will shrinks because it losses water.
ATP is the chemical substance that is used to power the cellular activities
