A student wants to test the effects of type of exercise on heart rate. What is the dependent variable?Type of exercisetype of exercisetime of day exercise occurstime of day exercise occursheart rateheart rateamount of exercise

b ti isnfornopgnoernfrof

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this