Because science involves a lot of replication to confirm results. That means without the systems, it would take a long time to get the results right.
A compass
The Earth's magnetic field, provided by the magnet in a compass, shows the direction of the north and south poles.
ANSWER MADE BY AN AI
Flooded an mushy like mushrooms
Answer:
The north end of Earth's axis is tilted toward the Sun
Explanation:
Answer: binomial nomenclature