Sodium chloride breaks down into sodium and chlorine. why is this process classified as a chemical reaction?

a. change can only occur in one direction.

b. there is greater mass of the sodium chloride than there is of the products.

c. a substance has been changed into a different substance.

d. the number of sodium atoms in the product has increased.

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

The location of the stomach is the diaprham

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.