very very long and infact smaller then your cells
a long barrier is something that gymnastics jump over
It could be as long as you want!
The great barrier reef was published a long time ago.
As long as it is
2 long
The great barrier reef was published a long time ago.
It is longer, about 1600 miles long.
290 kikometeres
It could be either way just as long as you do the bar graph correctly
A reaction that absorbs energy is endothermic and typically represented on a graph with a reactant energy level below the product energy level. This results in an increase in energy during the course of the reaction, with the energy barrier (activation energy) higher than that of an exothermic reaction.
It will last for 100 years
3 mins