Answer:
1a Bacteria/ Parasites
2a Alcohol Intake
Explanation:
1a Most Ulcers are caused by Bacteria or Helicobacter pylori
2a Alcohol Intake can raise the probability of developing a ulcer
"Muscles" tense up as a defense mechanism
Answer:
Ryan has a scar on his leg
Explanation:
You can't be sure by looking at them if it's true on the othe choices. You can't tell when someone's skin itches, or has a headache, or is worried about getting a cold. They could be making it up. But you can see that Ryan has a scar on his leg.
False, <span>What a punnett square does, is it tells you, given the genotypes of the parents, what alleles are likely to be expressed in the offspring</span>
