What technological advancement was necessary before scientists could begin to observe cells? A. invention of the microscope B. invention of the balance C. invention of the telescope D. invention of the thermometer

Does accuracy and precision mean the same thing

Differentiate between swallowing and peristalsis

Mold fossil formed when remains trapped tree sap cast fossil impressions from very thin objects trapped in mud and transformed into rock trace fossil formed when remains of living things leave and impression on a rock petrified fossil preserved

How is an opaque object different from a translucent object?

How many possible combinations of 3 bases are possible

How do fossils and fossil record support the idea that life changes over time

1 reason why cases of violence and abuse are not reported

Question number 3 Site A is pavement. Site B is bare soil. Site C is a forest. Soil erosion caused by runoff will be greatest at Site be greatest at Site

True or false Hydroelectric power plants are built on rivers that are flat and slow moving.

The perception of different colors, such as red, green, or blue, is caused by: