we would all die becuase there would be no oxogen that plants produce and no carbon that we exhale.
Answer:
Restriction enzyme, also called restriction endonuclease, a protein produced by bacteria that cleaves DNA at specific sites along the molecule
Explanation:
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The answer would be 25%
Carbon 14 is radioactive material with 5700 year of half-time which will change it into carbon-12, a more stable substance. If the age of the fossil is 11,400 years old, then the amount of half-time passed would be: 11,400 years/ (5,700years/ half-time)= 2 half-time.
Since it undergo 2 half-time, the percentage should be: 100% * (1/2)^2= 25%
Answer:
C. Ringed seal
Explanation:
A marine food web illustrates how energy is passed from one organism (level) to another in this aquatic rich ecosystem.
In the following food web, the interaction goes like this:
- The Arctic cod feeds on plankton and silverslides and it is preyed upon beluga whales and ringed seals.
- The sea duck goes to the bottom of the ocean to feed on benthic organisms and also consumes plankton and silverslides. It doesn't really have predators.
- The beluga whale doesn't really have predators, but it feeds on fish such as silverslades and Arctic cod.
- Ringed seals feed on plankton and Arctic cod and are then consumed by polar bears.
Therefore, according to this information, all organisms except the ringed seal feed directly on silverslides.
The appropriate answer is d. a topographic maps. A topographic map shows the physical features of the earth's surface. A topographic map would therefore highlight features such as mountains, valleys, rivers and other landforms.
The height above sea level of these landforms are represented on the map by contour lines. These are lines on a map that show the height of the land. Colour is sometimes used to represent height if contours are not used.