The main reason for the difference in the mass extinction occurring today and previously is the pace of the current extinction. The extinction is taking place globally and involves hundreds of species at the same time. In less than 50 years, we have lost numerous species. In contrast to this, previously during the mass extinction, only a few species were lost, and other managed to survive. But, not the status is opposite due to the magnitude of the extinction.
It's about the size of our sun and called a Main sequence star
I'm almost positive it's B (<span>B. It must be compacted and/or cemented</span>, but it's been along time since this subject..... Hope this helped.
Answer:
translucent
Explanation:
opaque surfaces allow no light to pass through, transparent surfaces allow all light to pass through and reflective surfaces reflect light.
