Answer:
im learning this rn
Explanation:
what are the choices? cant answer if u dont give the choices
Answer:
True
Explanation:
The sinoatrial node is a small body of specialized muscle tissue in the wall of the right atrium of the heart that acts as a pacemaker by producing a contractile signal at regular intervals.
Carbon can be found in phytoplankton and can be disolved and stays in the form of gas in the ocean.
The process by which eggs are made is called Fertilization, when the egg cell meets the sperm cell and form a zygote.