The fossil record shows that life on Earth has changed over time. For example, paleontologists have found that older rocks contain fossils of * 1. organisms that are more complex than those alive today.
2. both simple and complex organisms.
3. only organisms that are alive today.
4. organisms that are simpler than those alive today.

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

Anton created a chart listing different types of materials. which best complete the chart?

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world