Answer: I believe it is “There were significant changes in scientific knowledge about planets”
Explanation: Since scientific knowledge has grown about planets, Pluto doesn’t fit some descriptions in order to be classified as one.
27 days 7 hours 43 minutes and 11.6 seconds
Answer: D. It can melt to a depth of a few meters in summer, then refreeze in winter.
Explanation:
Permafrost is ground which remains frozen for two or more years. Permafrost consists of soil, rock and sand fused together by ice. Mostly found in areas in high altitude, the Arctic, Antarctica, it is common in periglacial environments where temperatures are below freezing
.
The topmost layer of permafrost can melt in summer and refreeze in winter. This thawing and refreezing produces a ground pattern called columnar joints similar to the one formed when molten lava cools.
Ya, teknologi hijau membantu pembangunan masyarakat berilmu yang mendorong ke arah mempraktikkan tenaga lestari dan cara hidup lebih baik. Kita boleh hidup lebih lestari jika kita menjadi seorang yang lebih celik alam sekitar, belajar daripada alam semula jadi, hidup dengan lebih sederhana dan menjadi rakyat yang aktif dalam membangunkan alam sekitar.
Answer: Maine
Explanation:
Maine is the easternmost state in the United States of America.
I hope this helps!
