A Petri dish (alternatively known as a Petri plate or cell-culture dish) is a shallow transparent lidded dish that biologists use to culture cells, such as bacteria, fungi or small mosses. The container is named after its inventor, German bacteriologist Julius Richard Petri. It is the most common type of culture plate.
The answer would be “D,” as gravity is the force that keep all objects on Earth’s surface.
Answer;
-Our brains fill in gaps in our perception.
-If its been a long time since an event occurred, we might imagine things that did not happen.
Explanation;
-One way that our brain may alter sensory information is by filling in information that is not really there. For example a word in a sentence could have a missing word but we probably assume that word is there and keep reading the sentence.
-Another way is applying already known stuff into new situations. For example we have learned that if a dessert is pink, then it is strawberry flavored. If we saw a bowl of vanilla ice cream with pink food coloring, we may assume it's strawberry ice cream.