there are more to this than just two of those. the answer is volvox and euglena
<span>In beta minus (β−) decay, a neutron is converted to a proton and the process creates an electron and an electron antineutrino; while in beta plus (β+) decay, a proton is converted to a neutron and the process creates a positron and an electron neutrino. β+ decayis also known as positron emission.</span>
D. this is because they consume less resources, but produce just as much power. if this is wrong, which i doubt, it is a.
Acceleration i am pretty sure
Answer:
Skeletal System is what creates blood cells
