<span>Assuming that this is referring to the same list of options that was posted before with this question, the best option from the list would be the ones having to do with system references. </span>
Life begun sortly after the earth formed 4.54 billion years ago but the conditions well they didn't call it the dark ages for no reason
<span>D.) increased number of small crabs because fishing nets catch mostly large crabs
This situation is caused indirectly.</span>
Upwelling is a process in which cold water from depths arise to the surface,
it's important because :
- It bring a lot of nutrients to the surface of the ocean
- It maintain the temperature of the ocean
hope this helps
