Science is based on "natural" causes and effects. What does "natural" mean in this context?
O Phenomena that can be reliably observed with senses or instruments; NOT
supernatural.
O Phenomena that occur on their own without being manipulated; NOT
controlled.
O Phenomena that occur without the direct participation of humans; NOT
artificial.

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

Free brainliest! what is a characteistic of the american stradfordshire?

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm