Answer: Starch did not diffuse through the membrane because the starch turned blue due to the presence of iodine in the dialysis bag
Explanation:
Answer:
Cation-exchange capacity is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules, but allow these to exchange with other positively charged particles in the surrounding soil water
Carbon (C) is an element
Carbon Dioxide (CO2) is a compound
Hydrogen (H) is an element
Sodium Chloride (NaCl) is a compound
A good way to tell whether something is a compound or an element, is that in a compound there is a mixture of different elements. Like in Carbon Dioxide, the symbol is CO2. This shows the carbon (C) and oxygen (O) together. I hope i worded that well enough and this helps :)
Answer:
To compensate for the natural visual distortion in which tall columns appear to bend inward, the Greeks gave them a slight bulge, which is known as:
entasis
Explanation:
