Atype of feed claims to boost the growth rate of cows. the feed is tested on two twin newborn cows. bessie receives the experimental feed and bertha receives regular corn feed. their weights are recorded below. **in pic.** what would be the independent variable?

age of the cow

type of feed

weight of the cows

type of cow

weight of the cows

Explanation:

In an experimental setup the independent variable is the one which can be changed and manipulated in an experiment the effect of which is observed on the dependent variable (s). The dependent variable is the one which cannot be manipulated in an experiment instead the changes occurring in a dependent variable are because of the manipulation of the independent variable. The dependent variable represents the outcome of the experiment.

According to the given situation, type of feed is the independent variable this is because of the fact that the there were two type of feeds were used one was experimented feed other was regular feed. The effect of both type of feeds has been observed on the weight of the cow which is the dependent variable.

your spelling is a little off : ]

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.