Answer:
Xylem and phloem
Explanation:
Xylem and phloem (b) option is correct
Answer:
Non-zero digits are always significant. Any zeros between two non-zero digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant.
Explanation:
Crossing over is a process that happens between homologous chromosomes in order to increase genetic diversity. During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material.
Answer:
The force of surface tension in the lungs is so great that without something to reduce the surface tension, the airways would collapse after exhalation, making re-inflation during inhalation much more difficult and less effective. Collapse of the lungs is called alectasis.
Explanation: