answer: bits of rock rusting when exposed to oxygen and water
Explanation: i think because when it rains the water is left and freezes and night making the rock expand or start to Rust
Answer:
electrolysis is the process by which electric current is passed through a substance to effect a chemical change
Answer:Hummingbirds have long, needlelike beaks they use to probe deep into flowers. The hummingbird's beak is just a protective sheath for its tongue, which is actually what the hummingbird is using to get the nectar out of the flower. The tip of their tongue is forked and has little hairs all over it.
Explanation:
Answer:
Sample Respond: The nucleus maintains the integrity of genes and controls the activities of the cell by regulating gene expression—the nucleus is, therefore, the control center of the cell.
good luck
Explanation:
I got 100 mark as brainiest
Answer:
A. to cure human diseases
Explanation:
