Explanation:
Echolocation is one of the methods of orientation mainly used by the microchiropteran or insectivorous bats. While flying, these bats emit high frequency ultrasound. These sound pulses hit obstacles like rocks, trees, walls etc. and their echoes are heard by bats.
In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. ... However, because hydrogen bonds are weaker than covalent bonds, in liquid water they form, break, and reform easily. Thus, the exact number of hydrogen bonds formed per molecule varies.
Answer:
gracias!!!!! que dios te bendiga
Explanation:
