2.5 billion years ago
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I believe it is Wegener's theory did not explain how the continents could move.
Answer:
They’re perfect for growing all kinds of greens like lettuce, spinach, peppers, tomatoes, flowering crops in the vegetative stage and many others.
Hypothesis is what you think will happen before the experiment, it isn't necessarily backed up by any sources or evidence. A scientific law is the observation of a phenomenon and a theory is the explanation both can be used together to back each other up.
Answer:
pathogens
Explanation:
pathogens may occur in various way e.g spread from a person to person by directly body contact