It is either 1 or 2 but I think it is temp(2)
1.It is not natural.
2.It can came up with side effects and unbalance some species.
Answer:
The 200kg
Explanation:
Because 400kg is more weight and the 200kg would be much easier to push
The answer is responsiveness.
Answer:
Explanation:
The arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures. They are different and have a different purpose, but they are similar and share common traits.