Why are fossils rarely found in Precambrian layers

What kind of environment is described when the concentration of dissolved substances is greater ouside the cell than inside? A) Hypotonic B) hypertonic C) isotonic D) saline

What parts of your body make up your appendicular skeleton? Axial skeleton

The salivary glands are composed of which two types of secretory cells? A. goblet cells and squamous epithelial cells B. parietal cells and glial cells C. serous cells and mucous cells D. cuboidal epithelium and ciliated columnar cells

What two features would make humans good index fossils?

We cannot see evaporation because water vapor is invisible. How can we tell it is happening?

Which statement is true about nitrogen and oxygen? A. They make up about 99.9% of the human body B. They are both used to make water molecules C. They are both made of protons, neutrons, and electrons. D. They both contain no subatomic particles

Time sensitive: What plants or herbs (or berries) calm snakes? need to know.

The hydrosphere is predominantly made of A. gaseous air. B. frozen water. C. solid rock. D. liquid water.

A patient has diabetes a disease that causes high blood sugar levels which macromolecule will a dietitian monitor most closely in a patient that has the disease

In what situation does anaerobic respiration take place? O A. When there is no nitrogen O B. When there is no ATP O c. When there is no oxygen O D. When there is no NADH