The Cause of Cystic Fibrosis 1. Cystic fibrosis is caused by a defect in a single gene. What
specifically does the gene code for?
O A. the production of mucus
B. the airways that lead to the lungs
OC. proteins that make up red blood cells
D. proteins that carry chloride ions across the cell
membrane
Check Answer

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

a. population growth is decreasing

-2

+4

-10

-3

-8

-3

so the population decreased by 24 because 3+3+8+10+2=26-2=24.

hoped i !

explanation: