I is called the Controlled group
Answer:
fluvial wetlands
Explanation:
The earliest megafossils of land plants were thalloid organisms, which dwelt in fluvial wetlands and are found to have covered most of an early Silurian flood plain. They could only survive when the land was waterlogged.
Answer: d.) The element is named after the Latin word for calcium.
Explanation:
Answer:
Explanation:
for example addind electricity helps the community to do more work that would improve the function of the city or addind more factories would increase the production and the economy of the city