71 million years ago. Hope it helps :)
Answer: Tropical Rain-forests
Explanation:
Tropical Rain-forests specifically those in Central Africa, Latin America and South-East Asia are considered the most diverse areas in the world with over half of animal species in the world as well as countless fauna calling these areas home even these forests cover less than 7% of the Earth's land mass.
For this reason Tropical Rain-forests are usually called the Cradle of life/biodiversity and surpass any other environment when it comes to biodiversity. Even the second which are Coral Reefs are known as Tropical Rain-forests of the sea which is a nod to just how diverse these forests are.
Answer:
Coronaviruses are named for the crown-like spikes on their surface. There are four main sub-groupings of coronaviruses, known as alpha, beta, gamma, and delta.
Human coronaviruses were first identified in the mid-1960s. The seven coronaviruses that can infect people are:
Common human coronaviruses
229E (alpha coronavirus)
NL63 (alpha coronavirus)
OC43 (beta coronavirus)
HKU1 (beta coronavirus)
Other human
He accomplished several things such as leading an expedition to explore the strait of megallan.
