A. after having cowpox they where immune to smallpox HOPE THIS HELPS
True in most cases unless they erode then the younger ones will be on top
<span>Eyes are sensitive to light and when light falls on them, they transmit electrical signals to the brain. The lens in the eye focuses light falling on it, on to the retina. Depeding on the amount of light and distance of objects from the eyes, the lens changes shape to allow focus on objects at varying distances and this is called accommodation.</span>
Earth is a beautiful planet that revolves around a star called Sun, which is located in one of the arms of our Milky Way Galaxy. It is the only planet known to support life in the Solar System. Humans are the most intelligent civilization on this planet. It's blue when seen from space. Recently, Earth 29 spacecraft was able to land on this planet, after 28 unsuccessful landings of Earth series of spacecrafts. We were able to learn many things about humans, most important of these was the most spoken language of them, which they call English. According to experts, humans are not yet ready to know about our existence. It can take about 1 or 2 more centuries, until they are ready to know about us.
It’s someone’s opinion so the key word “best hints that it an opinion so to be objective is to be unbiased. If you're objective about something, you have no personal feelings about it.