What is common to both photosystems i and ii?

When a whale carcass sinks to the ocean floor it creates an environment appropriate for succession to happen. How would you explain this phenomenon?

Why can't animals survive more than a few days without water

In what ways do the data of history differ from the data of science? Give examples of how historical data can be distorted.

A man is accused of a brutal beating of a young woman. He claims that he never struggled with her, despite several eyewitnesses seeing him with the woman. Several hairs from the woman's head are found at the crime scene.

If a DNA strand is found to be 22.6% cytosine, what percentage of that strand is thymine?

Best way to avoid infections and keep your immune system healthy

Certain fossils, such as Trilobites found after the Cambrian explosion, are found in the same geologic time period all over the world. What is the importance of fossils that are consistently found in the same geologic time period?

Phospholipids naturally form one layer. True False

True or false: the game between flashfone and pictech is an example of the prisoners' dilemma. a. True b. False

Do different emotions have very different patterns of activation in the brain?