The answer is A. It is gotten from eating food.
Answer:
a. pipette
Explanation:
The instrument used in the laboratory for measuring base is the pipette.
It is used to suck up the right amount of base for experimental purpose.
- The burette is used for measuring and holding the acid.
- The pipette is often used alongside a burette, conical flask and retort stand during a titration reaction.
- The pipette is a narrow cylindrical pipe usually made up of some special glass.
- It should be handled with caution as it is a very fragile device.
Answer:
In the given case, the most appropriate step to be taken by Brian in order to formulate the hypothesis is to visit other households with cats. In the given case, Brian has to confirm that whether he is allergic to cats or not, and for this, he must go on to find if a similar sneezing reaction is experienced when he is around other cats apart from aunt's cat.
It can be a case that some other environmental elements may have been resulting in the condition. Thus, wearing a mask would not help the cause straightforwardly as it would not confirm that Brian is allergic to cats.
Answer:
The correct answers are A, C and D.
Explanation:
Dialysis is a treatment given to a patient to maintain his chemical levels in the body salt. Dialysis is a treatment which removes the Extra water, wastes, salts from the patient's body. This treatment is given to the patient in case of the failure of the Kidneys which are unable to clear the body from the wastes and toxins naturally. This is a time consuming process which uses a machine to purify blood from wastes and toxins. It is not the permanent solution for the renal failure, tough it is a good temporary solution.
Answer: Option E) All answers are correct
Explanation:
A good example of Primates is humans.
Primates, thus, have evolved from mammals to have the following:
- five digits with flat nails for grasping tools
- grasping hand with thumbs that are in an almost opposite location to help in grasping tools
- two eyes in the front of their head
- a well developed and large brain for high reasoning. Thus, humans are called Homo sapiens
Hence, all the answers are correct
