Question 1
What human activities are possibly to blame for coral bleaching?

Human activities like agriculture and urbanisation can lead to the destruction of coral reefs and make their recovery and management difficult, according to research undertaken along the Kenyan coast.This renders the reefs more vulnerable to damage from waves and other disturbances.

Explanation:

Support reef-friendly businesses

Don't use chemically enhanced pesticides and fertilizers. ...

Volunteer for a reef cleanup

Learn more about coral reefs

Become a member of your local aquarium or zoo.

Main reason of coral bleaching= Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. This is called coral bleaching. When a coral bleaches, it is not dead.

the correct answer is:

from context clues heliotrope is probably a flower.

a heliotrope are peruvian plants that have small purplish plants.

i think the answer is invented words, rhyming knack, alliteration, and, metaphor.