Which of these engulf bacteria and break them down

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

What is true of sea slugs in these orders

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water