Most insects have small holes in the exoskeleton called which open and close to regulate air flow. bronchi alveoli spiracles trachea

Which would prevent a plant from growing? oa. lack of sunlightob. no supply of lithiumoc. too much waterd. too many monosaccharides

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases