Answer:
The fusion of a egg and a sperm produces a zygote with 46 (2n) chromosome number.
Answer:
°The process of photosynthesis is a physical change
Sound waves are both compressional and longitudinal, (although we frequently draw them as transverse waves).
Longitudinal waves are where the particles of matter collide into one another, pushing them into the next and then oscillating back. This is how sound travels. This is also why sound can only travel through a medium, it cannot travel through a vacuum, as is shown here:
zinc and copper is a solution of brass
Answer:
cells connecting to each other in colonies and communicating.
Explanation: