Frederick wanted to findout what soil works best for growing roses. he greq them in potting soil, clay, sand, he found outside his yard. after one week, he measured their height and how many leavesthey had. what is the independent, dependent, control and constant?

equal distribution i think.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!