Pretty sure it's a Compound :)
Answer:
1. rocks are composed of grains of minerals which are formed by the longest natural chemical reaction
2. clear liquids are mainly sugar and water . they are transparent food and mainly are beverages , ice , grains etc stuff
3. concrete is made up of basically three components . water , aggregate ( rock , sand and gravel ) and portland cement .
4. salt consist of NaCl it is made up of sodium and chloride it is also called rock or halite salt
Explanation:
Answer:
Temperate coniferous forest is a terrestrial biome defined by the World Wide Fund for Nature. This is because Temperate coniferous forests are found predominantly in areas with warm summers and cool winters, and vary in their kinds of plant life.
Explanation:
Answer:
Experiment, analysis, research, purpose, hypothesis and conclusion.
Answer:
Significant figures are a measure of <u><em>precision</em></u>.
Explanation:
The significant figures of a number are those that have a real meaning and, therefore, provide some information. Therefore, the set of digits that are known with certainty in a measure are called significant figures and are the digits of a number considered non-null.
Any experimental measurement is inaccurate and must be expressed with its significant figures.
In this way, significant figures express the precision of a measuring tool.
