George's science class looked at living cells under a microscope. the students studied an organism that had many different kinds of cells, but each cell had a cell wall and nucleus. to which kingdom did this organism belong?

Kingdom plantae.

Explanation:

Kingdom Plantae includes all the plants on the earth.

They are eukaryotic organisms, that means, they have a membrane defined nucleus. Besides, they are multicellular, and posseses a cell wall surrounding the cell membrane. This cell wall is a rigid structure that conferes structure to the cell.

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.

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.