You use it to make a pause in a sentence
Answer:
Activities such as using water balloons, parties at parks or beaches, driving, and boats.
Explanation:
Water balloons harm the environment, as well as gatherings at places such as parks and beaches because of the waste and trash that is left. This can effect the animals as well as the environment. Boats because of the oil and chemicals it releases into the water. Lastly, driving releases gases and chemicals that are harmful not only to the environment but to humans.
This is false it can still be a good source
Answer:
the answer at b says that the structure of the heart at animal x is straight and inbetween the Lungs but at animal y the structure of the heart is slightly tilted to the left
and the answer at c the most efficient blood circulation is at y because the blood is able to flood accordingly and it it well transported in the aorta
