Answer: Hydrosphere is the total mass of water found on the Earth's surface. Atmosphere is the layer of air that envelopes the Earth. Hydrosphere consists of lakes, oceans, rivers, seas, water vapours, underground water and ice sheets of the mountainous regions.
Explanation:
AN EPIDEMIC is a disease that affects a large number of people within a community, population, or region. example coronavirus .
Bedrock striations. Striations are marks or lines in the bedrock caused through glacial movement
Explanation:
When using chromatography, the 2 solutes in the solvent paper should have different Rf values from the base line to identify them as different compounds.
If they were to have the same speed in the solvent, they would appear as 1 dot instead of 2 separate dots, which is a false reading.
Respiratory droplets produced when an infected person coughs, sneezes or talks.
