It's C, the catalyst remains unchanged through a reaction.
It’s B. “It was doubled...”
Hope this helps... ^^
The answer is Sea Turtles since dinosaurs are already extinct
Explanation:
To raise the temperature of the flight muscles high enough to enable flight the bumblebee shivers, rather the same a we do when we are cold. This can easily be seen in a grounded bee as her abdomen will pump to ventilate the flight muscles.
A vacuole takes up the majority of the space in a mature plant cell, providing structure. Kind of like a full water balloon. This is why plants stand up straight.
