Answer: These changes of state are physical changes
Explanation: changes between gas, liquid and solid phases do not alter the chemical or atomic state. Ice, water and water vapour all have the chemical formula H2O.
I believe its oil and coal.
The correct answer would be B. A chloroplast. An autotrophic protist is a single-celled organism that can create its own food.
The correct answer is option A, central nervous system - processes information and controls responses
The central nervous system integrates the information received through sense organs and then generates responses accordingly. It has two main parts –
a) Spinal Cord – It is the connecting organ between the brain and rest of the body. It controls muscoskeletal reflexes.
b) Brain – It integrates the sensory information and coordinates the body function both consciously and unconsciously