Answer: Leaves in a cactus are modified into spines to reduce loss of water from leaves by transpiration. Then the plant makes from the process of photosynthesis which is performed by the stem.
Explanation:
Hydrogen breath test
Milk tolerance test
Small bowel biopsy
Lactose tolerance test
Answer:
<u>DNA fingerprinting</u>
Explanation:
DNA Fingerprinting is the Laboratory technique used for various purpose and commonly in Criminal investigations. The sample taken from crime scene and the suspects are matched and observed for possible involvement of the suspect in the crime. If two samples are same then the suspect is criminal.
Answer:
B. Performing a larger number of experimental trials makes the results more dependable.
Explanation:
Every measurement has uncertainty.
If the uncertainties are random, the more measurements you make the more likely you are to mess up.
Answer:
The oxygen atoms have electrons more often than hydrogen.
Explanation:
