Answer:
Sponges were among the earliest animals. While chemical compounds from sponges are preserved in rocks as old as 700 million years, molecular evidence points to sponges developing even earlier.
Answer:When transitioning from a mostly rural to a mostly urban society, it is important to keep sustainability in mind. Try to find ways in which the most energy is conserved, which will increase employment and lower revenue and pollution.
Explanation:
The late 20th century.
Back then, the knowledge about human psychology still hasn't as developed as it is today. The asylums during that time had the reputation on inhumane treatment toward its patient because they believe that mentally problematic patient cannot feel like normal people feel.
They wanted to find a faster way to the East Indies.
He had a hard anti-communist, no co-op with russia while the cold war was at its peak generating huge public support.
