Answer:
-Physical properties possessed by all stars:
- They are made of gases such as hydrogen and helium.
- They shine very brightly due to interaction of hydrogen and helium at appropriate pressure and temperature.
- They contain iron in their cores which monitors the fusion reaction.
- They make energy through fusion between the gases present in the stars which are hydrogen and helium.
- They are not spherical in shape hence this physical property is false in terms physical properties of the stars.
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Explanation:
Ecosystem and pond,
not sure though but good luck !
D lowering the activation energy of a reaction.
H20 tends to evaporate quicker in 80 degrees or higher, evaporation in colder weather, is much slower.