Answer:
b. Hiccupping is a vestigial reflex that suggests a common ancestry between humans and amphibians.
Explanation:
Hiccupping refers to an involuntary contraction of the diaphragm that usually occurs several times per minute. Some research has suggested that hiccuping is an evolutionary remnant of amphibian respiration. This is because the mechanism is remarkably similar to the way tadpoles gulp air and water across their gills. This would mean that hiccups exist due to an antecedent to modern lung respiration.
The sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.
Answer:
Soil Forming Factors
Parent material. Few soils weather directly from the underlying rocks. ...
Climate. Soils vary, depending on the climate. ...
Topography. Slope and aspect affect the moisture and temperature of soil. ...
Biological factors. Plants, animals, micro-organisms, and humans affect soil formation. ...
Time.
Explanation:
