Answer:
a
Explanation:
The history of Poland from 1945 to 1989 spans the period of communist rule imposed over Poland after the end of World War II.
When forests are cleared and trees burned, carbon dioxide is released into the air. ... Rice paddies on lands converted from forests produce methane gas which also contributes to the greenhouse effect.
A) Algae growing on the grass
Cell membranes are semi-permeable. That is why they can allow only some substances to enter the cell. It basically depends on the size of the molecules. Smaller atoms like water can easily pass through. However, macromolecules such as sugars, oils and proteins cannot easily pass because they contain a long chain of monomers.
Answer: D
Explanation:
It is a parrallel circuit so it would not matter if one of the bulbs were not to work.