The electromagnetic waves with the highest frequencies are called: O Radio waves
O Gamma rays
O X-rays
O Visible light

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

this protocol describes a detailed procedure for intracellular flow cytometry staining.

i think its through the fallopian tube

sex cells are usually half's then they find another half and make a fertilize egg