Answer:
The answer to your question is: B. marco nutrients
Explanation:
A. minerals Minerals are micro nutrients, and the help enzymes in the metabolism but they do not provide energy the body.
B. macro nutrients Macro nutrients are composed by proteins, lipids and
carbohydrates; lipids and carbohydrates are the
main sources of energy.
C. micro nutrients Micronutrients and vitamins and minerals, they help
the body to acquire energy, but they do not
produce it.
D. vitamins vitamins help to maintain a health body but do not
produce energy.
The answer is: <span>D. The population of bluebirds will decrease, leading to an eventual decrease in the number of predators.
The unwanted </span><span>dumping of chemicals causes a decrease in the number of insects. The insects are eaten by bluebirds, but if there is not enough food for the bluebirds, they will die- decrease of birds. If there are less bluebirds, their predators will have less food, so many of them will also die.</span>
Answer:
Average speed is distance divided by time. Velocity is speed in a given direction. Acceleration is change in velocity divided by time.
Explanation:
North America and Europe lie entirely north of the equator. Almost all of Asia, most of Africa, and a part of South America are above the equator. Not sure if South America counts as 'mostly' though. That's up to you.
Attached is the image of the concerned ECG reading.
In reading the ECG, first you read the heart rate. To read the heart rate, you must count for the number of small boxes in between QRS complexes, specifically R-R intervals. These number of small boxes will then be used to divide 1500. In this example, there are 20 small boxes between R-R intervals. 1500 divided by 20 is 75, so the heart rate of this ECG reading is 75 beats per minute.
<em>Another way, albeit less accurate, is to count the big squares between R-R intervals and instead of dividing it by 1500, you divide it by 300.</em>