When identifying minerals, scientists often look at the color of the mineral when it is in powdered form. what is this color called? a. the grain of the mineral b. the luster of the mineral c. the color of the mineral d. the streak of the mineral

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles