When water seeps into the ground the hydrosphere is interacting with what sphere?

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

Which feature of a human community is similar to a niche in a biological community

Which is an innovation of gymnosperms? gymnosperms are the first seed plants. gymnosperms are the first flowering plants. gymnosperms are the first vascular plants. gymnosperms are the first spore plants.