By what process do streams and rivers move material ? a. weathering b. erosion c. mass wasting d. infiltration

Ineed to know why d is the correct answer asap

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?