They look like gases plasmas have no fixed shapes or volume and are less dense tan solids or liquids
Answer:
^-3 is the chemical symbol for Thorium
The darkening of the atmosphere caused by meteorites would have reduced the sizes of some ecosystems due to less solar energy being available to plants.
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What is Solar energy?</h3>
This is the form of energy which is derived from the sun and is usually trapped by plants during photosynthesis.
Plants being primary producers will have less photosynthetic activity thereby leading to less food production and oxygen availability.
Read more about Meteorites here brainly.com/question/7993266
There is a piece of matter that can't be divided ,that is an atom
Answer:
Sodium hydroxide and water will react at room temperature. What does this indicate about its activation energy? The activation energy is at exactly 600 kJ. C. The activation energy is very low.
Explanation:
