CH2O2 formic acid I believe so
Answer:
b it increases from left to right of the group and it decreases down the period.
B and/or C because velocity is also know as a vector quantity and speed is a scalar quantity
In 1854, Cyrus West Field conceived the idea of the telegraph cable and secured a charter to lay a well-insulated line across the floor of the Atlantic Ocean. Obtaining the aid of British and American naval ships, he made four unsuccessful attempts, beginning in 1857.
