Blue－green algae grow abundantly in salt marshes.
A、primarilyD
暂无解析
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.
Communication is one of the most important bonds that hold cultural systems together.
Cream of tartar 酒石 , a weak acid, can be added to egg whites to help them foam泡沫 when they are beaten
Although the Carbon 14 method of dating old objects is not foolproof , it is the best method available at present
All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.
