If element X has 49 protons, how many electrons does it have?

How do producers get their food when they're not being exposed to sunlight? A. breaking down algae B. breaking down carbon C. breaking down inorganic compounds

A colony of red bacteria is allowed to reproduce for 16 generations. A scientist examines the colony at the end of this time and notes that all the individuals are almost identical in all characteristics. This evidence suggests that the bacteria

Where would the majority of fresh water on earth be found?

In in pex-4, activity 4, which patients would be diagnosed with primary hypercortisolism? patients 1 and 2 patients 4 and 5 patients 3 and 5 patients 3 and 4

In which geologic era are we? A. Cenozoic B. Mesozoic C. Paleozoic D. Precambrian

Explain how blood is prevented from flowering backwards in the heart

He phase of the cell cycle where dna replication, chromosome duplication and preparations for cell division occur is called

Why do you think phytoplankton are so important to all living things on earth?

The weakness of hydrogen bonds between the bases of DNA allows what?

Which statement is correct? The number of electrons of a neutral atom always equals the number of protons. The number of neutrons always equals the number of protons. The number of neutrons always equals the number of electrons.