A severe drought occurs and lasts for multiple consecutive years. is the change abotic or biotic?

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

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