B. Luster
C. Texture
D. Streaks
*I chose a random subject*
Textures provides the clues about the formation of igneous rocks are formed . Igneous rock texture depends on the rate of cooling . Small crystals are obtained by fast cooling and last crystals are obtained by slow cooling. Basically textures state the comosition of the rocks. Textures of rock may be of different types like phaneritic and crystalline texture.
Answer:
Cell membranes control the substances that enter or leave cells.
Explanation:
Without a cell membrane the organism will be unprotected and the homeostasis will die.
A) Guaiacol
D) Tetraguaiacol
B) Peroxidase E) Hydrogen peroxide
C) buffer
Answer:
E) Hydrogen peroxide
Explanation:
Hydrogen peroxide is the substance that has a brown color and is detected by the spectrophotometer in our reaction.