Why is the scientific method described as nonlinear? The steps of the scientific method are repeated in a cycle.
Scientists often repeat one or more steps several times.
Sometimes scientists forget to perform some of the steps.
The steps can be performed only once but in any order.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602