You can use electron microscopes to observe only nonliving cells
I'm thinking it's D, They have homologous chromosomes.
An involuntarily muscle contracts when you don't mean to do it, or you do it without thinking. One body function is the lungs contracting so you can breathe. you don't think about it it just happens. Hope this helped.
hello i can help you
Molecules at higher temperatures have more energy, thus they can vibrate faster. ... The speed of sound in room temperature air is 346 meters per second. This is faster than 331 meters per second, which is the speed of sound in air at freezing temperatures.
