What are blocks of time in the geological time scale called?
a. centuries
c. years
b. eras
d. days?

Ans: The blocks of time on the geological time scale are called eras

The history of evolution of life on earth is usually depicted in terms of geological time scale. The time scale has been divided by geologists and paleontologists into blocks referred to as 'era'. The 3 eras that have been currently identified are:

Paleozoic era which is the oldest and dates back nearly 540 million years

Mesozoic era which dates back to 250 million years ago

Cenozoic era which dates back nearly 65 million years

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

answer: mole of the gas

answer: mole of the gasexplanation: