B. Change the following sentences from passive to active i. The kids have served the family with dinner.
ii. The police have been watching the house for weeks.
iii
. I was doing my homework when the lights went off.

What is the percentage composition of carbon in the compound ch4

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

Can someone check my work 98 5.05 acids and bases for this assignment you will be comparing acids and bases. the chart below will you organize the information needed: acids bases chemical properties (2) deodorant detergent vinger dish soap physical properties (2) orange juice toilet cleaner drain cleaner window cleaner ph level acid ph goes from 0-4 bases ph goes from 10-14 examples around you (2) vinger coffee lemon juice dark chocolate