The straight horizontal line shows us that the object is moving at a constant speed
Here try this presentation, it should help :)
https://prezi.com/6ofdo3fadl9a/exothermic-and-endothermic-reactions-in-everyday-life/
Answer:
Explanation:
The symbol of beryllium is Be. It is located in the second group on the periodic table.
Beryllium is a divalent cation with a charge of +2.
It is capable of losing 2 electrons in order to be like the noble gas He and this is a more stable configuration.
A change in the force of gravity on an object will affect its weight.
I believe the correct answer to your question is Brittle. Hope I'm correct let me know.
