A geologist finds ripples preserved in ancient sedimentary rocks that look like ripples made by water in mud . He concludes that there was once water in that location that created the ripples . Why is this conclusion reasonable ?

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

answer: 2

explanation:

yes

the answer would be knowledge about cars!

its temperature is increasing. this causes molecular vibrations to increase.