Answer:
"theory of evolution by natural selection,”
this was proposed by charles darwin and alfred wallace in the 19th century
Answer:
C) a mature river
Explanation:
The channel on the image shows a meandering river. This basically means that the river managed to erode the banks and it has taken a snake-like shape, better known as meander. A river that exhibits such a thing is a mature river. This can be supported by the fact that the river needs long time to be able to erode the surrounding area, especially when it comes to flatter land. A young river will be mostly straight and will have its flow determined by the landscape around it, but a mature river has had the time to make its own path, to erode parts o the landscape, and take a certain shape, in this case a meander.
A. Exhibit a period of rapid growth as the population size increases.
Answer:
(x-9)(x-3)
Explanation:
find out what adds to -12 and also multiplies to get 27
-9 times -3 equals 27 and -9 plus +3 equals -12