Set the images and videos in a multimedia presentation, and write a brief description in the presentation of what is happening in each picture.
Night time, the americas
first quarter moon
lunar eclipse
solar eclipse

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

the contamination

we are putting to many trash.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.