Answer:
i believe it would be a gas mask.
Explanation:
If it has something due to with chemicals and stuff id assume the men reacted with gas masks to be able to survive the chemicals and yea i hope im right
Answer:
The main threat to internal validity here is History.
Explanation:
Internal validity refers to how well a research is conducted. Internal validity determines if it's the independent variable (or another factor) that caused or resulted in the change in the dependent variable.
History here alludes to the internal validity threat that refers to events outside of the experimental setting (increase in cigarette taxes) that may affect the dependent variable (smoking cessation).
Answer:
C) Type A personality.
Explanation:
Type A personality trait is characterized by being a workaholic,impatient, aggressive, and hostile.
Type B personality is characterized by being relaxed, less impatient and less of a workaholic.
Type A personality characteristic that is most strongly linked to cardiovascular disease because the disease is triggered by lots of stress, being more frantic and impatient and causes increases in heart beat rate.
16. An estimate is not a guess because an estimate is based on some previously held information.
17.Precise
19. Objective reasoning
20.Pseudoscience
I will post the rest shortly
Ebay and akibento (if in store)
