I think its "b" but im not sure
The polar ice capes, the change in genetics of certain animal fossils (growing more or less hair, etc. etc.)
<u>Answer:</u>
Rising sea levels recorded due to melting glaciers can be considered an observable indication of global warming
<u>Explanation:</u>
The glaciers in the sea are melting due to global warming.This is occurring due to the increase in the global temperature. Year after year, higher temperatures are being recorded and this heat in turn is melting the Arctic glaciers thus adding on to the level of the oceans.
The increased temperature will also disrupt the fauna and floral life. All automobiles don't necessarily have to contribute to global warming. There exist eco-friendly automobiles as well.
Answer:
Explanation
When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides — both commonly called spring tides. ... A similar situation occurs between the Earth and the sun.
Because with maps they knew where to go , without them they will be lost