Answer:
Net force=120N-90N=30N
30N to the right
Answer:
The answer is a. they are much like empty rooms.
Explanation:
Cells are pretty much the opposite of empty rooms. There are many organelles and processes happening in them, so there's no space for empty rooms. Even when there are spaces, which anyway would be full of liquid, these spaces have a purpose.
The plantae kingdom has an overwhelming majority of the producers, this may not be true. The producers are mostly present as autotrophs that make food using the sunlight. Other kingdoms like the bacteria have varied forms of producer, both the autotrophs like the cyanobacteria and the chemotrophs like halothiobacillus that use the internal heat of the Earth at the bottom of the dark ocean floor to synthesise their food.