A pe dometer<span> is a device, usually portable and </span>electronic<span> or </span>electro mechanical<span>, that counts each step a person takes by detecting the </span>motion<span> of the person's hands or </span>hips<span>. Because the distance of each person's step varies, an informal </span>calibration<span>, performed by the user, is required if presentation of the distance covered in a </span>unit of length<span> (such as in kilometers or miles) is desired</span>
Answer:A
female gametophyte that has developed within a sporangium that has dispersed with the aid of additional protective sporophyte tissue layers
Explanation: An Ovule is made up of three parts: The integument, forming its outer layer, the nucellus (or remnant of the megasporangium), and the female gametophyte (formed from a haploid megaspore) in its center.
It is the structure that gives rise to and contains the female reproductive cells in seed plants.
the fight and flight response are the physical changes that occur in the body in preparation to respond to stress
The correct answer is option D
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