I'm sorry nobody has told you about it yet. They should. You're scared of something just because you don't know what's in there or what it looks like. Summer school is a chance to improve your grades, because it's a class where they teach the same subjects again, so you can review it and learn it a little better than you did the first time. The only difference is that they go a little faster, because the summer is shorter than the regular school year. And that's the whole story. There's nothing to be afraid of. When I went to Summer school a few years ago, I loved it. I started to understand stuff that I didn't understand very well the first time, and I really improved my grade. Good luck.
Answer:
Radioactive isotopes are unstable and will decay. ... The isotopes will decay into a stable isotope over time. Scientists can tell how old the rock was from looking at the radioactive isotope's half-life, which tells them how long it would take for there to be half the radioactive isotope and half the stable isotope.
The correct matches would be as follows:
<span>1. atlas
colors show the earth's features
2. GIS
</span><span>best tool to use to plan hurricane evacuation routes
</span><span>
3. globe collection of maps
best tool to use to compare the size of the continents
4. GPS
best tool to use to pinpoint your exact location
5. Mercator projection
areas near the poles appear larger than they are
6. political map
</span><span>colors show the earth's features
</span><span>
7. RADAR
best tool to use to plan hurricane evacuation routes
8. relief map
</span>used by cartographers when visibility is reduced
<span>
9. topographical map
</span>elevation is indicated by the distance between lines<span>
10. Winkel Tripel
reduces distortion of distance, direction, and area
</span>
