Answer:
The Pleistocene Epoch is typically defined as the time period that began about 2.6 million years ago and lasted until about 11,700 years ago. The most recent Ice Age occurred then, as glaciers covered huge parts of the planet Earth.
Magma with high viscosity ( Answer => D )
3 A hydrogen bond
Forms between two molecules that have H-O, H-N, or H-F
I see pictures above , what do you exactly need help with?