Devices designed to a human successfully imitate a bird by flapping the wings of the device were called

In order from largest to smallest what are earths five main oceans

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.

All of the following are possible solutions that may be used to address agricultural issues in the future except decrease biodiversitydecrease pesticide usedevelop "cleaner" pesticidesincrease organic farming