A random sample is not biased
Plasma membrane is similar to a cell membrane
True
it is another way that plants make food as oppose to photosynthesis
Answer:
Scientists found evidence such as fossils that were almost 4 billion years old, concluding that life on earth began after that.
Explanation:
Answer:
It describes changes in the state of the atmosphere over time scales ranging from decades to millions of years. These changes can be caused by processes inside the Earth, forces from outside (e.g. variations in sunlight intensity) or, more recently, human activities.
Explanation:
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