Answer:
ice on the tundra or soil that is always frozen
Explanation:
A) unproductive wastelands I believe is the answer you are looking for.
The pulmonary vein brings the oxygenated (clean) blood to the left atrium.
Pls mark this as the brainliest
Answer:
A molecule is two or more atoms bonded together to form a single chemical entity.
Answer:
The phylogenetic tree can be shown in the attachment.
Explanation:
A phylogenetic tree can be described as a diagram which depicts evolutionary histories among organisms of different species. The organisms which are more closely related are more closer to one another in a phylogenetic tree.
Human, chip, gorilla, orangutan all are greater apes whose complete DNA have been sequenced. The sequencing of their genomes showed that humans have the closest relationship with chimpanzees. Hence, scientists believe that humans might have evolved from the chimpanzees.