You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two-week period, the height is measured. i think the indepent variable is sunflower ... variable is height measured and the control variable is the fourth plant.
Answer:
C. top soil has more organic matter.
Explanation:
It's more fertile than subsoil, due to having more organic matter and because fertilizers are usually added to the topsoil only.
Could you say the sun rises in the east ? I’m not too sure though
Are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels around the sun
The burial practices of humans have not led to any significant changes in Earth's biome. Matter can not be created nor destroyed. Burial practices lead to burying the dead bodies into the Earth, where they are decayed by the action of several microbes and insects. The organic and inorganic compounds are added to the Earth.
