Today, people ship goods all over the world. Sometimes they move plants and animals by accident. How can such accidents cause changes in an ecosystem? Help plz it is SCIENCE i picked arts because it did not have science

Donald has x twenty-dollar bills and 1 ten-dollar bill. how much money does donald have? write your answer as an expression.

Look at las meninas by diego velasquez. this painting is a masterful example of the use of:

Question: michelangelo made several creative decisions in the process of making the pieta. one of these was to portray mary as a young woman. how would the sculpture be different if mary had appeared to be in her early 50's, as she probably was when christ was crucified? would this improve or detract from the work? why? use additional internet resources in support of