4. Why is no frost action shown for locations with a mean annual temperature greater than 13°C? a. Very little freezing takes place at these locations.
b. Large amounts of evaporation take place at these locations.
c. Very little precipitation falls at these locations.
d. Large amounts of plecipitation fall at these locations.

Aseries of connections of food chain in an ecosystem is called a what

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.