Through studies on the Malpighian tubules, researchers found that K+ accumulated on the inner face of the tubule, against its concentration gradient. What can you infer about the mechanism of transport?
A) Potassium moves out of the tubules at a faster rate than it moves into the lumen of the tubules.
B) Movement of potassium into the lumen of the Malpighian tubules is an energy-requiring process.
C) Sodium ions will follow potassium ions.
D) Potassium transport is a passive process.

i think the answer is gold im not entirely sure

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,

d.embryo is the correct one