Cell membrane is like doors and windows!!
if you know how; comment !
To locate <u>positions</u> in east and west directions, <u>cartographers</u> use lines of <u>longitude</u>, also known as <u>meridians</u>. Longitude is the distance in degrees <u>east</u> or <u>west</u> of the prime meridian, which is the reference point for longitude.
<h3>What is a topographic map?</h3>
A topographic map can be defined as a type of map which contains an accurate and detailed graphical (two-dimensional) description, representation or records of both natural and man-made (artificial) features on the surface of planet Earth.
Generally, a topographic map make use of contour lines to represent points of equal elevation above sea level such as:
- Mountains
- Hills
- Plains
- Valley
<h3>What is a line of longitude?</h3>
A line of longitude can be defined as an imaginary great circle of constant longitude on the surface of planet Earth which passes through the North pole (terrestrial pole) and South poles (Meridian) at right angles to the equator.
Read more on line of longitude here: brainly.com/question/17355844
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In graphite, carbon atoms are arranged in layers. Graphite has cleavage because the weak bonds between the layers break easily. Add a description wheel for fracture in your notebook.
Ans.
Steroids are defined as active organic bio-molecules, having four rings with a specific molecular configuration. Steroids play role in two major functions: as hormones or signaling molecules and as structural components of plasma membrane.
Examples of steroid hormones are estrogen, progesterone, and cortisol. Thus, the correct answer is 'option b). they serve as chemical messengers.'
Weathering<span> and erosion are two </span>forces<span>that are constantly acting to reshape the land. hope it helps :)</span>
