After doing research on plants and fertilizers, a 5th grade science class states the hypothesis for their experiment, if a plant receives fertilizer then it will grow to be bigger than a plant that does not receive fertilizer. To test this hypothesis the students must A) make observations

B) collect and record data

C) determine and follow a procedure

D) All of the above

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Explanation:

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every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

hope this !

bro these r easy u may have to do them urself bro. lol jk the answer is two for nimber one, and for question number two sahel boi xd have fun get rekt m8