Why were physical activity and caffeine and alcohol intake the controlled variables?

1 answer:

4 0

<span>Controlled variable is a variable that was made constant in the research. That was because the controlled variables can influence the dependent or independent variable. If the variables is not made constant, it can alter the research result and made it invalid.

In this case, </span>the caffeine and alcohol intake might alter the physical activity or the blood glucose so it should be controlled.

You might be interested in

Which process takes CO2 out of the atmosphere

mihalych1998 [28]

Answer:

Photosynthesis removes CO2 from the atmosphere and replaces it with oxygen.

Explanation:

Photosynthesis removes CO2 from the atmosphere and replaces it with oxygen. By respiration, O2 is removed from the atmosphere and replaced with CO2. However, these processes are not balanced. Some organic matter is not oxidized. (I'm very sorry if I'm wrong but I believe it's that)

6 0

1 year ago

Read 2 more answers

During replication, which sequence of nucleotides would pair with the DNA segment TTACGC? GGACTC AATGCG UUAGCG AACGTG

Lemur [1.5K]

Answer:

The Answer would be AATGCG.

Explanation: The reason is because A pairs with T and C pairs with G.

5 0

2 years ago

Read 2 more answers

Nerve impulses are sent to slow the heart's rate of contraction. The nerve fibers sending these signals will most likely belong

Sladkaya [172]

Answer:

The correct answer is option 4. Parasympathetic division.

Explanation:

The parasympathetic division is one of the three divisions of the ANS or autonomic nervous system. It also helps in the rest system or digest system as it saves energy by slowing the heart pace by slowing the rate of contraction. This is performed with the help of nerve fibers that send signals.

Parasympathetic nerve division increases the intestinal and activity gland. This nerve division helps in relaxing the sphincter muscle in the GI tract.

Thus, the correct answer is option D.

8 0

2 years ago

Someone help me asap

padilas [110]

Answer:

i dunno thats confusing and i cant see it sadly

Explanation:

7 0

2 years ago

Read 2 more answers

Which interventions are part of the nursing intervention classification (nic) of pressure management? select all that apply?

ludmilkaskok [199]

Interventions are part of the nursing intervention classification of pressure management is Safety, Facilitate communication of nursing treatments to other nurses and other providers. Promote the development of a reimbursement system for nursing services. Enables researchers to examine the effectiveness and cost of nursing care.

8 0

2 years ago