Answer: The Precambrian Era comprises all of geologic time prior to 600 million years ago.
Explanation: The Precambrian was originally defined as the era that existed before the emergence of life in the Cambrian Period. It is known that life on Earth began by the early Archean and that fossilized organisms became more and more abundant throughout Precambrian time.
Answer:Central Asia's main physical features are highlands, deserts, and steppes
Explanation:
Answer:
OPTION D
Explanation:
IT OUTLINES THE COOPERATION BETWEEN COUNTRIES FOR SCIENTIFIC RESEARCH
Answer:
Higher temperatures may reduce the availability of drinking water by provoking the loss of mountain glaciers and mountain snowpack, and causing earlier spring snowmelts—all of which reduces the amount of available water in streams, rivers, and other bodies of water.
Explanation:
It's #1. Hope the answer helped.
