What is the term for movement of water and nutrients between biotic and abiotic portions of an ecosystem?

Sulfur (S) is one of the representative elements.

The halogens, Group VII A (17), have the lowest ionization energies of any group in the periodic table.

A 6.30 percent coupon bond with 16 years left to maturity is offered for sale at $977.12. What yield to maturity is the bond offering? (Assume interest payments are semiannual.) (Round your answer to 2 decimal places.)

What annual rate of return is earned on a $1,000 investment when it grows to $2,300 in six years? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

Bohr was the first to use the term “orbit” to explain the fixed energy levels of electrons.

How many years will it take $2 million to grow to $6.00 million with an annual interest rate of 9 percent? (Do not round intermediate calculations)

What annual rate of return is earned on a $1,000 investment when it grows to $2,300 in six years? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

Kirkium is a made up metal element with a chemical symbol Km. The atomic mass of Km is 234.5 g/mol. The salt kirkium (I) carbonate, Km2CO3 is a slightly soluble salt that has a solubility product constant = 5.2×10-18.  You must show work in your upload for full credit, including the chemical equation. Enter your answers in E format, no spaces. Use correct sig figs! NO units here but show correct units in your upload.  A) Calculate the molar solubility of kirkium (I) carbonate in a saturated solution in pure water. [s1] M B) Calculate the molar solubility of kirkium (I) carbonate in a solution of 0.030 M Km2SO4 (Km2SO4 is a soluble salt.) [s2] M

Europium (Eu) is a lanthanide element.