Answer: Coral reefs are important to the ecosystem because they are the pillars on which marine and coastal ecosystems are built. They keep plants, fish, and animals fed. They clean up our water and protect our coasts.
Explanation: Hope it helps :)
Marble and slate are examples of impermeable rocks.
All they need for their living is carbondioxide in air ,water and some nutrients .so basically their roots are responsible for collection of water which contains life giving nutrients .but we take food as a solid substance which hasto be converted into energy
Answer:
Communication is the important phenomena that helps in the interaction between the people. Communication can be done in the form of language, signs and gestures.
The communication gap between the parents and children might creates a problem in their relationship. The parents should talk politely with their children if they do not want to talk with them. The parents should start communication with the topics in which their children are also interested. They should ask them about the children daily routine and their friends.