G) In a college 60% of students come from rural areas and 40% come from urban areas. On the average 30% of students from rural areas study science and 50% of the students from urban areas study

science. A student is selected at random and is found to be a student of science. Find the probability

that he comes from a rural area.​

Why do you need to classify the size of a particle

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.