Answer:
The reason our blood is read is because we have iron in our blood. (Also our blood cells are red)
I think your answer is D. Red blood cells
Explanation:
Most animals do have iron in their blood so their blood is red.
But... Octopuses (yes that is the write way to say it) have copper in their blood so their blood is actually blue.
The more you know...
Hope this helped! :)
Brainliest?
Answer:
The answer easier
Explanation:
It's the most commonly used form of classification or type of identification key used in biology as it simplifies identifying unknown organisms. Typically, a dichotomous key for identifying a particular type of object consists of a specific series of questions. When one question is answered, the key directs the user as to what question to ask next. Dichotomous keys typically stress identifying species by their scientific name, as each individual species has a unique scientific name.
In a scientific study, a conclusion can state a theory
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The air in a cool region underneath cloud cover will have a higher density than a region with no cloud cover. A region with no cloud cover has warmer air than the surrounding air, it becomes less dense and begins to rise, drawing more air in underneath.