4. If you were writing a descriptive article about a hiking trail in a nearby park, which would be the secondary source?
A. pictures you took while hiking the trail
B. a newspaper article about trails in the park
C. plants and berries that you gathered on your hike

b. a newspaper article

Explanation:

it's right trust me

B a newspaper article about trails in the park

Explanation:

it is right

b. they require a huge investment of time, dedication ,training, and patience almost from the day they are born.

explanation:

the sentence gives a clear evidence of how carefully the sar dogs are selected and also specify from what time this exercise begins."almost from the day they are are born." this sentence shows as that this exercise begins early.

if you need any clarification or more explanation pls do mention in the comment section.

      hope this and if it does pls mark as branliest answer thx

what is the question you are trying to ask here