Mars and Earth are very different planets when it comes to temperature, size, and atmosphere, but geologic processes on the two planets are surprisingly similar. On Mars, we see volcanoes, canyons, and impact basins much like the ones we see on Earth
<span>This includes about 3,000 species in North America. Biologists and naturalists believe that there are many more species of spiders still to be identified and named. The 35,000 species of spiders in the Order Araneae are grouped into three sub-orders and seventy different families.</span>
Answer:
The coral reefs of the Caribbean are thought to be under threat
Explanation:
Overfishing threatens over 60 percent of Caribbean coral reefs. Declines in coral cover and increases in algal cover have been observed across the region. This analysis identified about one-third of Caribbean reefs at high threat from overfishing pressure and about 30 percent at medium threat.
I think it is Binary fission
<span>The haversian systems are packed tightly together to form what appears to be a solid mass.
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