The Atmosphere is mostly made up of what two gases
What are Nitrogen and Oxygen
The earth's crust thickness
5-40 km
The Cellular ORganelle that contains DNA and controls the function of the cell
Nucleus
Most common fossil fuel
Coal
The term for the point on a ste mat which a leaf is attached
What is a node
Measurement of the amount of water vapor in the air is called
What is Humidity?
Earth's interior layer hast two distinct layer's
The core
All genes are made of DNA, but not all DNA is
Genes
Natural gas is made up of
Methane
The Hirudinea is the class that contains the following organism
Leeches
Boundary where two air masses meet
A Front
Process that acts on Earth's surface to break down rocks in to pieces
Weathering
Instructions for how to make proteins
Hydro power is what kind of energy source?
Renewable
The Human eye focuses light through the lenes onto what photosensitive structure
Retina
Storm that is associated with the term "lake effect"
Winter Storm
Metallic, glass, earthy and pearly are words that describe a mineral's
Luster
DNA makes RNA, and RNA makes
What is protien
Electricity is a what kind of energy source
Secondary
Fungi are what kind of feeder's.
They are Heterotrophs
The layer layer protects us from the UV rays from the sun
The Ozon layer
The step in the process of a rock changing from sedimentary to igneous?
melting
The number of DNA letters constrained in every cell
What is 3 Billion?
Nuclear energy is a clean or does it c cause pollution
Glucose is sued by plants for
Food