Answer:
it really depends on the birds them selves. one time i had 2 parakeets in the same cage and there was only one food and one water container and and there wasn't a problem with them fighting or anything but i did end up putting 2 food and water containers in because i was having to re fill the containers a lot but even then they still liked to eat and drink out of the same containers. so i guess it just depends on how well Ur birds get along.
Answer: Solid
Explanation: The rest of the options don't have a definite shape nor volume.
Pollution in the TROPOSPHERE will have the greatest effect on human health.
The troposphere is the lowest level and humans also live on the lowest level. Therefore, pollution in the troposphere will have the greatest effect on human health.
