Answer: The Information which is recently discovered that there is a connection between hippopotamus and whales suggests that:
Both hippopotamus and whales have a common ancestor which brings about the similarity in their genetic system.
Explanation: Research has been debating the issue for years because the source of the relationship date back to a 40 million years old ancestor of the two species.
There is a little pointer which is that both of them can survive in water.
Answer:
1 : 25,000 is the largest scale.
Explanation:
1 cm represents 2 km; is not correct because this is actually the smallest of the scales presented, meaning that 1 cm on the map is equal to 200,000 cm on the ground.
1 : 50,000; is not correct because this is the second-largest scale from the options.
1 : 25,000; is correct because it is the largest scale, with 1 cm on the map representing 25,000 cm on the ground. The smaller the scale, the larger it is.
1 : 100,000; is not correct because it is the third-largest, with 1 cm on the map representing 100,000 cm on the ground.
Answer:
Explanation:
Oxygen is of no use to them, so they release it into the air. So there's a simple explanation for the Great Oxidation Event. It was the cyanobacteria, pumping out unwanted oxygen, that transformed Earth's atmosphere.
The graphs would show a linear increase making their age go up.
