In agricultural areas, farmers pay close attention to the weather forecast. right before a predicted overnight freeze, farmers spray water on crops to protect the plants. use the properties of water to explain how this method works. be sure to mention why hydrogen bonds are responsible for this phenomenon.

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

The part of the eye that closes and opens to let light in is .