The hardness is a streak plate is about 6. why would the streak of corundum been difficult to determine?

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Dna replication or repair occurs in a cell in all of thw following situations except when

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin