Answer:
A cold weather front is defined as the changeover region where a cold air mass is replacing a warmer air mass. Cold weather fronts usually move from northwest to southeast. ... Warm fronts usually move from southwest to northeast and the air behind a warm front is warmer and moister than the air ahead of it.
ExplanationThere are four different types of weather fronts: cold fronts, warm fronts, stationary fronts, and occluded fronts. the direction of flow of the air mass and its characteristics. so based on what we know i would say that warm fronts are calmest
Its the letter B because its the circulatory system
Answer: Eye drops are effective when it placed into the eyes with care and proper instructions.
Eye drops should be placed in the lower conjunctival sac that starts at the inner side of the eye not the outer side called as canthus.
If the eye drops are dropeed on the cornea of the eyes and this causes discomfort and hence should be avoided.
It should not be placed on the opening of the lacrimal ducts otherwise it will avoid the systemic absorption.
