May be carbon
carbon make up the structure of protein
Answer:
Environment
Explanation:
In a research study, internal validity refers to how well an experiment was carried out and to what extent the piece of evidence supports a claim.
The lesser the chance of confounding in a study the higher the internal validity.
Study of memory is possible through learning the electrical activity created by neurons.
Therefore, thunderstorm will affect the readings hence it is an Environmental threat to the internal validity.
Cardio respiratory endurance tests monitor how well the heart lungs and muscles perform during moderate to high intensity exercise increasing cardio respiratory endurance and improves oxygen uptake in the lungs and heart in hand can help a person sustain physical activity for longer
Poor judgment
slowed breathing and heart rate.
vision impaired.
drowsiness.
loss of balance.
630 Calories+ 160 calories+100 calories
The person has consumed 890 Calories by consuming 70gm of fat, 40 grams of carbohydrate and 25 grams of protein.
Explanation:
9 Calorie of energy is yielded by 1 gm of fat
4 calories of energy is yielded by 1 gm of carbohydrate and protein each.
Thiamine is a vitamin required for carbohydrate metabolism and vitamins do not give energy they only facilitate the required processes.
Calcium is a mineral which though supplements the diet but do not provide energy they only take part in biochemical processes.
