Answer:
Potassium
Explanation:
All of the options are compounds, except for potassium which is an element
1). it either lowers or increases the activation energy. 2). it modifies the rate of the reaction
By the first distance, I'd say Venus (0.72 AU)
By the second distance, I'd say it's Saturn (9.54 AU)
But you also say it has no visible rings so the answer is VENUS.
Hope it helped,
Happy homework/ study/ exam!
Centrioles is only found in animal cells but not in plant cells.
If you make a punnet square out of this, there is no possibility to have a recessive trait because neither parents have it plus dominant is always going to overrule recessive traits.