151 years 2.
In the picture below the igneous intrusion (V) was examined and scientists found that this rock had about 25% of the overall
Uranium 23s left in the composition of the rock. This fact helps scientists determine how old the intrusion is and in turn will give
clues about the age of the rock layers around and beneath the intruzion. Using the amount of Uranium 235 left in the intrusion
how old is the intrusion? What are the relative ages of the rock layers and fossils around and beneath the intrusion?

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

How do you transfer mrna into codons ? i'm so confused : (

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?