In a scientific experiment how many independent variables should be tested at the same time

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

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.