Answer: Cow manure has long been used as a fertilizer for crops and gardens. Not as toxic as chemical fertilizers, manure adds beneficial organic material to soils, which helps prevent soil compaction. Soils are better able to retain moisture.
Explanation:
The choices
are;
a. the
appearance of the first permanent teeth
b. the
appearance of the last permanent teeth
c. rapid
development
d. puberty
The answer
is c. rapid development. Gestational
stage is the time period that a pregnancy needs to exist from conception to
natural birth time. In humans, 40 weeks. Gestation is the carrying of an embryo
or fetus exclusive viviparous animals. It is typical for mammals.
Separation by density is the answer
