<span>The
Amur river became the current boundary between Russian and Chinese
lands in 1858 with the treaty of Aigun, reversing the 1689 treaty of
Nerchinsk in which Russia cede the north bank to Qing china. Hope this helps you!!</span>
Answer:
rainy northern valley
Explanation:
in a desert it wont rain much as it is closer to the equator so less chance but the valley is north so higher chance of rainfall in the first place and the things in a rainy northern valley are more susceptible to chemical weathering due to the rocks.
Answer: Sustainability is important for a very simple, very straightforward reason: we cannot maintain our quality of life as human beings, the diversity of life on Earth, or Earth’s ecosystems unless we embrace it. There are indications from all quarters and from the smallest to the largest scale that sustainability is something we must address.
Explanation:
Even though the sun is much more larger and has stronger overall gravity than the moon, the moon is much closer to the earth so that is the reason why its gravitational gradient is stronger than that of the sun