All three would decrease the size of the population of the organism. If an organism suddenly has a new predator, the organism's population will decline and it is likely that the members of the prey's population would disperse in an attempt to survive. Disease would just kill off the population in general, maybe the organism's population would distribute itself differently in order to avoid catching the disease. Competition would decrease the amount of food, water, and/or land available to the organism's population causing it to decrease or change habitats in an attempt to find another food source
Answer:Light coming from the fish refracts (changes direction) when it hits the surface. A person above the water sees the apparent position of the fish closer to the surface than the real position of the fish.
Explanation: refraction of light between air and water
Answer:
Kidney stones consist of buildup in the kidneys as a result of deposited minerals and salts that are present in urine. They can build up in the urinary tracts, and over time this can create kidney stones.
Answer: I GOT YOU!!!
Called solar system because Sun is biggest and heaviest
Solar means sun planets revolve about (travel in circles around) the sun path a planet travels is called its orbit earth is the 3rd closest planet to the sun all the planets go around in the same direction (like clockwise or counterclockwise), in roughly the same plane, but at different speeds planets close to sun move fast, far out move slower closer a planet is to the sun, the hotter it is, more or less.
The above is only approximately correct scientifically, but could be good enough for grade school. Look up "solar system" in wikipedia for more details and accuracy.
Explanation:
Hope this helps! :)