So I need help I don’t understand this thank you so much guys

Hello!

I hope this is the right answer!

The talk test is used for monitoring exercise intensity.  The talk test means that if you can talk and sing while exercising without running out of breath, you're exercising at a low intensity. You don't need any equipment to do the talk test. A benefit of the talk test is that it is easy to perform. It is also reliable, practical, and inexpensive tool for monitoring exercise intensity.

SO your answer is its easy to preform so A!

when comparing the cases, what similarities are there in the cases that suggest one person committed these murders?

conditions such as oral thrush or oral herpes viruses can cause the tongue to swell due to inflammation. other medical conditions include tumorous cancer, acromegaly (giantism), amyloidosis, sarcoidosis, hypothyoidism, and kawasaki disease.

explanation: