A mineral can be scratched by calcite but not by a fingernail. what is its approximate hardness?

A concept that there is a specific time in an organism's development during which external factors have a unique and irreversible impact is: A. ethology B. equifinality C. critical period D. zone of proximal development

During the Bronze Age, the leaders of two emerging kingdoms stood out. Akhenaton of is known for promoting monotheistic religion in his kingdom, while Sargon the Great of is remembered for his ability to build a vast empire from military success.

How would living things most likely be affected if there were a shortage of water on Earth? Living things would not be able to live, reproduce, or regulate their own temperature Living things would not be able to absorb and transport heat or

What is the source for geothermal energy? a. the sun b. earth's internal heat c. moving water d. biomass

No water molecules are moving across the barrier between the two compartments. a. A net movement of water molecules continues to add water to the right-hand compartment. b. None of the answer options is correct. c.

Which statement best describes the process of chemiosmosis and the direct result of its occurrence? A. The choices are Hydrogen ions flow from the thylakoid down a concentration gradient through ATP synthase channels into the stroma.

Describe how human activities threaten polar bears in the arctic

What did Mendel cross pollination of pea plants prove

Which type of rock is created when lava cools and hardens? A. igneous B. sedimentary C. metamorphic D. cement

Name 2 ways the diffusion of popular customs can adversely affect the environment