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.
The statement saying, "<span>A demonstration speech typically revolves around a process or sequence of events</span>." is true. As the name suggests, a demonstration speech aims to inform the audience primarily through demonstrating the steps involved in accomplishing a certain task. It is then necessary that the process is done chronologically and in detail.
Answer: Chloroplast, endoplasmic reticulum,lysosomes, nucleus, vacuoles.
Explanation:
The cytoplasm can be defined as the fluid that is found inside the cell. This liquid contains various types of salts and minerals dissolved in it.
All the organelles inside the cell is found in the cytoplasm. The organelles like nucleus, chloroplast, vacuoles, lysosomes and other organelles are found in the cytoplasm.
The cytoplasm provides stability, flexibility to the cell. Being the liquid part of the cell it prevents the cell from drying.
The most significant uses of coal are in electricity generation, steel production, cement manufacturing and as a liquid fuel. Steam coal - also known as thermal coal - is mainly used in power generation.
Answer:
23,7_4
There is no information for the tens place and the thousands may be either 9 or three i think
