Mechanical weathering does not change a rock’s A
shape.

B
size.

C
appearance.

D
composition.

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife