Answer:
Prevents distortion
Explanation:
Double-pouring technique is used for casting, it prevents distortion of the material to be fabricated or the study model.
It ensures the study or fabricated model is firmly withheld, increasing the material life span, and can be used at extreme conditions.
This type of technique takes longer time to set than the single pour method as it gives the needed base to yeild the oral structures.
Answer:
Triassic Period (252 to 201 million years ago)
All continents during the Triassic Period were part of a single land mass called Pangaea. This meant that differences between animals or plants found in different areas were minor.
The climate was relatively hot and dry, and much of the land was covered with large deserts. Unlike today, there were no polar ice caps.
It was in this environment that the reptiles known as dinosaurs first evolved. Reptiles tend to flourish in hot climates because their skin is less porous than, for example, mammal skin, so it loses less water in the heat. Reptile kidneys are also better at conserving water.
Answer:
I would say fossil evidence because fossil and rock clues are what led to Wegener's theory of Continental Drift
Answer: Your answer is B
Explanation: Because unicellular organism are very simple organisms such as bacteria.
