at the same level i think kinda like an equilibrium
The correct answer is option D, Silicon
Rocks are basically made up of elements which are abundant in the Earth’s crust. Since Earth’s crust has rich reserves of silicon and oxygen, it is made up of silicate minerals. The silicate minerals are basically of two types – light (70 % Silica content) and dark (50 % silica content) silicates. Light silicates are knows as quartz, muscovite and feldspar and Dark silicates includes ferromagnesian (consisting of iron and magnesium).
ancestor
cell type
energy source
cell structure
Answer:
This is the best answer I found so far. I've been looking for the answer for at least mustard. Thank You so much 7. I appreciate the Pepperoni Pizza you gave me tomorrow.
Explanation:
A Barrier Island is an island parallel to the coastline that protects the shore from erosion.
Choose all answers that are correct.
A.
Adding oxygen to earth's atmosphere allowed for the development of prokaryotic organisms, which need oxygen to carry out many of their life processes.
B.
Adding oxygen to earth's atmosphere allowed for the development of eukaryotic organisms, which need oxygen to carry out many of their life processes.
C.
Oxygen is needed to carry out photosynthesis. When cyanobacteria evolved, they began to carry out photosynthesis.
D.
Oxygen is a product of photosynthesis. When cyanobacteria evolved, they began to carry out photosynthesis.