Answer:
Paleozoic
Explanation:
The first insect fossils are dated to the Devonian, but because of the development of the genetics, the scientists have been able to trace the appearance of the first insects in the Ordovician. The insects originated from the crustaceans. Initially they were walking on land, but they hadn't developed wings. The wings came to develop in some insects in the Devonian, and since than it has gradually became one of their trademark features. It is interesting that the first insects actually appeared at the same time with the first terrestrial plants, and also that they are the first organisms to develop wings and be able to fly.
Answer:
Yellow stars have the highest brightness
Explanation:
Answer:
Convergence of oceanic and continental plates
Explanation:
- The plate tectonics states that the sedimentary on the earth has been formed from the sea beds or the ocean floor that was moved due to the deposition and accumulation of the sediments were small particles got cemented and compacted.
- Formed due to the weather and erosion from the source area, and deposited by the ice, water, and mass wasting processes. Theses deposited in layers of strata led to the formation of natural resources like coal, natural gas, and fossil fuels.
- The places were the large scale sedimentation takes place are said to be sedimentary basin and its depth and size depend on the earth's internal forces.
Answer: b. biological control.
Explanation: