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Both of them have a shell with a living organisms with the valves and they both are form somewhere different
Mass decreases at the end stages of normal sized stars, and increases in the end sequences of giant stars, as they turn into a super dense ball, such as a black hole or a pulsar.
Answer:
Structure of the atmosphere
The atmosphere can be divided into five layers according to the diversity of temperature and density. They are:
Troposphere
Stratosphere
Mesosphere
Thermosphere (Ionosphere)
Exosphere
Explanation:
Composition of the atmosphere
The atmosphere is made up of different gases, water vapour and dust particles.
The composition of the atmosphere is not static and it changes according to the time and place.
Answer;
Nasolacrimal duct
The runny nose you get when you cry is a result of your tears draining into the nasolacrimal duct.
Explanation;
The nasolacrimal duct is the duct that carries tears from the lacrimal sac of the eye into the nasal cavity.
Tears normally drain through small openings in the corners pf the upper and lower eyelids called puncta and then enters the nose through the nasolacrimal duct.
The puncta and the nasolacrimal duct are part of the nasolacrimal drainage system.
