Answer:
Fossil fuels have always been a main source of energy throughout the years. But since they can't be replenished and can do the environment harm, renewable sources of energy are slowly taking their place. Renewable energy is paving the way for an environmentally safer means of producing power and electricity.
i would say the answer is
A) They have an open digestive system
I believe all answers are correct
NUCLEUS IS CALLED CONTROL CENTRE OF THE CELL BECAUSE IT PERFORMS TWO MAIN PRINCIPAL FUNCTIONS:
1. Contains genetic information for structure, reproduction , development, metabolism and behaviour. ...
2 Controls cellular activities through directing synthesis of particular proteins and enzymes.
Explanation:
It contains the genetic instructions for every function of the cell. It is the cell's powerhouse and processes energy for the cell. It is responsible for packaging proteins for delivery out of the cells.
Answer: I think b
Explanation: really sry if I’m wrong
