Which of the following statements is correct? A.
An organ is more complex than a molecule but less complex than a cell
B. An organ is more complex than a cell but less complex than an organism
С.
An organ is more complex than an organ system but less complex than an organism
D
An organ is more complex than an organism but less complex than an organ system

there is no

explanation:

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek

d. planting trees

the trees take in carbon to make oxygen.

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