True or false? plants absorb phosphate from the soil or from water

How would you take a difficult subject matter - such as poaching, deforestation, or climate change and communicate it in a kid-friendly way

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury