Answer:
B is true .. atmosphere always changes day by day
Answer: Non-living factors in an ecosystem.
2. A large region of land with a distinct climate and certain types of plant and animals.
Explanation:
. Biosphere
b. Biome
c. Population
d. Abiotc
e. Ecosystems
f. Biodiversity
g. Food Chain
h. Aquatic
i. Community
Answer: Temperature, odor, production of gas, and if it changed its form. (Solid, liquid, gas).