True, a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.
Answer:
unicellular life first
Explanation:
it arose billions of years ago while multicellular life forms around at least 600 million years ago
Answer:
Ocean Thermal Energy Conversion (OTEC)
Explanation:
Answer:
observe, question, research, hypothesize, experiment, test hypothesize, draw conclusions, report