Brainliest! which of the following is used as evidence in supporting the idea that life changes over time?

a. the time period in which an embryo develops

b. the similarities in the body systems such as the nervous and circulatory systems

c. the existence of homologous structure

d. the big bang theory

i was thinking 4.0 v hope this

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

b) the inside picture would look at a very high temperature in a very low ph