Q: Q: Generally speaking, electronegativity values ______ from left to right across a row in the periodic table and _______ down a column. Choices: - reverse, descend - move, fall - decrease, increase - increase, decrease A:
A: increase, decrease

Q: Q: Energy is lost as heat between each trophic level due to the second law of what? Choices: - reactions - particles - chemistry - thermodynamics A:
A: thermodynamics

Q: Q: What organs need constant pressure to filter the blood? Choices: - lungs - dialysis - arteries - kidneys A:
A: kidneys

Q: Q: What is a random change in an organism's genes? Choices: - meiosis - infection - accumulation - mutation A:
A: mutation