To be meaningful, a measurement should have a: only a unit b: a prefix and a number c: a number and a unit d: only a number

The answer is option C.

Explanation:

There are four estimation scales or sorts of information, ostensible, ordinal, interim and proportion. These are just approaches to arrange diverse sorts of factors. This point is generally talked about with regards to scholastic instructing and less regularly in the "genuine world."A number or amount that records a specifically discernible esteem or execution. All measures have a unit joined to them: inch, centimeter, dollar, liter, and so on. Interestingly, a marker is a backhanded measure or an indicator, for example, a main Indicator of execution.

answer; i believe that the correct answer is(d) nondisjunction during meiosis;

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.