Which statement correctly describes microscopes? check all that apply.

1. microscopes make small things appear larger.
2. magnification makes something look smaller.
3. hans and zacharias janssen created the first microscope.
4. a lens is a transparent material that show the details of things observed.
5. the first microscope was made of two tubes with lenses at the ends.

Which of the following conclusions can be drawn

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

How many major plates cover the earth