First, boiling is the change of state from a liquid to a gas. Second, boiling of a pure substance occurs at a particular constant temperature called boiling point.
First, the change of state from a gas to a liquid is called condensation. Second, a pure substance condenses at a temperature equal to its boiling point.
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Answer:
4 billion years
Explanation:
Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks. Earth formed about 4.6 billion years ago from a disk of gas and dust circling the sun.
Answer:
pretty sure it's d not sure also might be b but I think it's d
Answer:
As given below.
Explanation:
Title: Conserving and Recycling
Introduction - Conservation is an act of preserving and managing the resources of the earth for a sustainable future by preserving and allowing for the regeneration of potential.
- Organization's purpose and goals: To aim to recycle and reutilize resources.
- To aim to manage and reduce wastes. To aim to reorganize and monitor anthropogenic activities.
Types of events: City waste management.
Type of education: mitigation
Conservation policies: Use of three Rs and CSR.