The esophagus is a tube in which food is pushed from the mouth to the stomach. As the food is pushed through the esophagus, it becomes more compact. This is — A.
a chemical change, only.

B.
a physical change, only.

C.
both a chemical and a physical change.

D.
neither a chemical nor physical change.

i think the answer is g1

hope i

-lavira: )

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.