Well, to answer your first question, Because there are places on Earth that are both biologically rich — and deeply threatened. For our own sake, we must work to protect them. and for your 2nd question, 3 characteristics of magnetic reversal are: field, bar magnet, and molten material. Hope this helps
When i observe internal parts of plants , i feel that its structure and functions are very complex and dependent from one another
If one part of the plants fail to do its function, it will be most likely that other parts of the plants will be disturbed too
hope this helps
Yes, all ecosystems need to have a top predator (quaternary consumers) so that the cycle of the food chain can stay complete.
<span>A mineral that contains a useful substance or element, such as iron or aluminum, is an ore. Like gold or silver. Hope this helps!!!!! Please mark brainiest. </span>