7th Grade Science Midterm Auto saved at 15 20 444
Question Category: Using Newton's First Law
Select the correct answer.
Which diagram represents an object in equilibrium?
applied
force = 20 N
force due to
friction = 15 N
z
applied
force = 30 N
force due to
friction = 15 N
O
applied
force = 30 N
force due to
friction = 20 N
о
applied
force = 15 N
force due to
friction = 25 N
applied
force = 20 N
force due to
friction = 20 N

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

i think the answer is terrae but not 100 percent sure. ▓▬▬ §