The hydrosphere is a collection of all the ________ on earth.
What is water?
___________ properties of matter include mass, volume, and density.
What is physical?
Geologists study rock layers and ________ to learn about Earth's history.
What is fossils?
Ecology is the study of ____________ and the environment they live in.
What is organisms?
Organisms that cause disease are called __________.
What are pathogens?
In North Carolina, rivers meet the oceans in intertidal zones called __________.
What are estuaries?
The ___________ of a substance depends on its mass and volume.
What is density?
The earth's __________ is produced and destroyed at plate boundaries.
What is crust?
Organisms get their basic needs met in their __________.
What is their habitats?
___________ include viruses, bacteria, fungi, and parasites.
What are pathogens?
Stewardship is the responsible use of Earth's natural ____________.
What are resources?
_________ is the extent to which a solute will dissolve in a solvent.
What is solubility?
Geologists and _______________ use methods of relative dating to study past environments.
What is paleontologists?
Ecosystems can be characterized by their biotic and ________ factors.
What is abiotic?
Infectious disease can be spread through direct and ___________ contact.
What is indirect?
Water is less ________ in a solid state than in a liquid state.
What is dense?
The ________ __________ organizes the elements by their chemical properties.
What is the periodic table?
Forces at the plate __________ produce earthquakes, volcanoes and mountain ranges.
What are boundaries?
A food chain shows one possible route for the transfer of matter and energy in an ____________.
What is an ecosystem?
Your __________ __________ constantly detects and eliminates most pathogens before they can cause disease.
What is immune system?
____ refers to the acidity or basicity of water.
What is pH?
A ___________ can be classified as a metal, nonmetal, or a metalloid.
What is an element?
The fossil record can be arranged in a geologic _____ _______.
What is a time scale?
Carbon and ________ are necessary for all organisms.
What is oxygen?
What virus caused the world to basically shut down in 2020?
What is Covid19?