kjn
i never know
scientists know the exact spot where an earthquake begins because they use a ritcher scale
..
THey know most of the times. They don't know it when it happpens so suddenly, etc.
i know it was an ocean at some point but not sure how it became an ocean
they know that there are types of deadly sharks
kjn
most of the beautiful coral reefs have disappeared
You can see the moon in the sky, and scientists have sent people to the moon already.
most of the beautiful coral reefs have disappeared
Hypothesis.An inference.Hypothesis
because of the crabs that walk around on the sand of the ocean.
its crazy but yes they do
Yes
If the scientist based on what they already know can misinterpret their behaviors
Scientists know the depth of the ocean by using technology like the Deep Worker or the "Alvin". It takes them to the bottom of the ocean so they can study ocean life. Also ships use sonar (SOund NAvigation and Ranging) to see what the depth of the ocean is.
to now how they know the animals that they already identified