As ice melts
A) hydrogen bonds are broken.
B) water molecules become less tightly packed.
C) the water becomes less dense.
D) heat is released.
Answer: A
You might also like to view...
Small, random genetic changes that occur over generations is known as ________.
A. microgenesis B. anagenesis C. progenesis D. degenesis
Abscisic acid is an important signal, transported from roots to the stem and leaves during times of water stress, that prevents
A. additional auxin production. B. ethylene buildup in the stems. C. leaf drop. D. phototropism. E. stomatal opening.
All cancers reflect, at the most general level, a defect in
A) DNA replication. B) the formation of mitochondria. C) cell membrane structure. D) the cell cycle.
Which of the following is probably the genetic basis for new and complex structures in plants?
a. gene duplication d. extinction b. asexual reproduction e. gene splicing c. genes that code for flower development