I believe the answer is D, hope it helps!
Answer:
c) able to be farmed
Explanation:
The definition of arable land is any land capable of being plowed and used to grow crops.
Hope this helps :)
Answer:
because of the mateiriels they use
Explanation:
Answer:
many unknown variables that directly affect the individual's heart health condition.
Explanation:
The problem with this conclusion is that there are many unknown variables that directly affect the individual's heart health condition. Their socioeconomic status is one such variable since this determines whether or not the individual is able to afford the right types of food, healthcare, medicine, etc. All of these are vital components of maintaining a healthy heart and preventing heart disease. Ancestral health histories are also an important variable to take into consideration in this scenario but it was not. Therefore, the data gathered is not very reliable.