Answer:
Wegener presented a number of evidence to prove his plate tectonic theory, such as :
- The matching of rocks on each side of the Atlantic Ocean like a puzzle.
- His knowledge hat organisms such as freshwater reptiles were found in almost all continents
- He also identified organisms that live in different continents, and could not possibly cross over to the other continents due to water bodies (oceans) separating the continents.
Wegener's plate tectonic theory caused doubts to other scientists, because of the way he presented his evidence. Other scientists considered his mechanisms unrealistic
Explanation:
Answer:
Dry heat will always be a lower temperature than moist hea
Advantages of Dry Heat sterilization
Reliable, nontoxic.
Low cost and is easy to install.
As the instrument remains dry after sterilization, there are no chances of corrosion.
Not harmful to the environment.
Disadvantages of the Dry Heat Sterilization
It requires more time for sterilization.
Exposure to the higher temperature may be harmful to the instrument.
Explanation:
You get to eat food when u are eating that’s the purpose
Answer:
D
Explanation:
Control group in an experiment does not receive any treatments. It is used as a benchmark to ensure that there is statistical difference in data between the variables of the control and those with treatments. It also ensures that there are no other overlooked factors that have an influence on the experiment that needed to be considered. Having a control group reduces the chances of erroneous conclusions.
