Answer: All of the above
Explanation:
I honestly have no idea what this means
It prevents harmful substances from entering a cell. I uses carrier proteins to do so.
These are all true except <span>"D. Natural selection usually causes a species to change suddenly," which is false. Natural selection and the subsequent changes to a species takes many thousands of years to have observable results. </span>
B increasing greenhouse gas
Answer:
both right in own way
Explanation:
first;green house gas obviously helps to increase temperature of earth.
second;some winter days are still very cold because of global warming. this is also due to such work which helps to increase temperature of earth as well as climate change.
