Why do scientists break earth's history down into smaller pieces

I will give brainliest if it's correct! Which statement is not true of mitosis? a. It is a process that takes an average of eight minutes for any cell to complete the process. b.

Most multicellular organisms reproduce asexually. True or False?

Where is the electron transport chain for cellular respiration located? The choices are ... A. In the cytosol of the cell B. In the inner mitochondrial membrane C. In the intermembrane space

A plant can have either brown (B) or red (b) leaves. Brown is the dominant trait. If a plant has genotype Bh which best describes the plant?

What causes the stem cell to differentiate into one or more types of specialized cells? A) Mutation of stem cell genes at the time of cell division B) Expression of different genes by both cell types C) Inheritance of different types of DNA by both

Which feature cause a gap in the geologic record a. extrusion b. fault c. intrusion d. unconformity

Which of the following correctly describes a way in which Earth's atmosphere interacts with the geosphere? It contains gases that living organisms breathe. It contains gases that trap incoming solar radiation.

Which fossils provide information as to the mode of formation of an oxygen-rich atmosphere by about 2 billion years ago? multiple choice dinosaurs stromatolites trilobi?

How does hibernation maintain body temperature?

What acid precipitation and two examples of the negative effects of air pollution.