Which of these outcomes is a positive effect of ecotourism on the environment?
A. Ecotourism can harm delicate ecosystems.
O B. Ecotourism takes money away from conservation.
C. Ecotourism can exploit local peoples and increase crime.
D. Ecotourism helps pay for conservation efforts.

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

What happens to the atomic radius when an elctron is lost

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?