Answer:
El Niño is associated with death and disease, most of which result from weather-related disasters such as floods and droughts. In 1997 Central Ecuador and Peru suffered rainfall more than 10 times normal, which caused flooding, extensive erosion and mudslides with loss of lives, destruction of homes and food supplies.
A conductor transmits heat and electrical good.
True is the correct because helio means sun in greek and the sun is in the center of our universe
For Iron:

For Oxygen:

These are the two chemical symbols for the two elements found in Iron Oxide.