The northern-latitude warm spell during the current interglacial period, or Holocene epoch, is ...

The northern-latitude warm spell during the current interglacial period, or Holocene epoch, is sometimes called the ____________________.
  Fill in the blank with correct word.

Q. 2

The ice began to retreat about 14,700 Ya as surface temperatures slowly rose, producing a(n) ______ spell called the Blling-Allerd period.
  Fill in the blank with correct word.

Q. 3

Warm periods that occur between glacial advances are referred to as ____________________.
  Fill in the blank with correct word.

Q. 4

The most recent glacial period, called the ____________________, began about 2.5 million years ago.
  Fill in the blank with correct word.

Q. 5

Most of the oxygen in sea water is composed of 8 protons and 8 neutrons in its nucleus, giving it an atomic weight of ____________________.
  Fill in the blank with correct word.

Q. 6

The ____________________ ratios of calcium carbonate shells have provided information about the sequence of glacier advances.
  Fill in the blank with correct word.