Nora, who is pregnant, wakes at 2am craving pickles. the craving indicates

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]

Organelles found in plant cells that function through photosynthesis to produce glucose from carbon dioxide and water are called — question 21 options: chloroplasts guard cells photosynthons