Taxonomy is the science of naming and classifying organisms based on structural comparisons and genetic evidence.
20. The answer is 1 (Precambrian)
21. The answer is 4 (Pennsylvanian)
22. The answer is 2 (Bony Fishes, Dinosaurs, and Mammals)
23. The answer is 2 (Reptiles)
Answer:
the answer is C
Explanation: The deep ocean circulation of water is caused by convection currents in water that allow cold water to rise and warm water to sink.
Answer:
Air is matter because it's make up of a mix of different gases. These are made up of elements such as hydrogen, oxygen, and nitrogen, which are made of matter.
Explanation:
is there a word count requirement?
