Answer:
S-T segment of ECG shows ventricles contraction.
Explanation:
The ECG is used to measure the electrical signals that controls the contraction and relaxation of heart, most commonly known as heart rhythm. S-T segments are the region after the QRS wave in ECG which is further followed by T waves. The S-T segment is generally shown as a straight line as no electrical signal pass through it and this is the time when ventricles contraction in the heart takes place.
Answer:
B. Is the answer. They are losing their habitat and therefore will be more likely to go extinct
The answer is A- mesophyll
Options not given but
Clouds at medium altitudes are made of ice crystals.
As the mid-level clouds form ice crystals when the temperature is cold.
hope it helps
Answer:
you run the risk of crushing the objective lens onto the slides.
