Answer:
Red blood cells
Explanation:
Hemoglobin carries oxygen in red blood cells
<span>The closer you are to the poles of the Earth, the fewer ecological niches for species to fill. </span>
A rock is a hard/solid material. Rocks are separated into different groups based off the minerals they have in them, the groups are metamorphic, igneous, and sedimentary. Rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.
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Answer: umbrellaology is not science
Explanation:hope I helped :)
Answer: Scientific observation
Explanation:
The reason for this is, Ben is observing the plants, coming up with questions.