The answer is B. a nucleus.
Prokaryotic cells do not have a nucleus. They have ribosomes, a cell membrane, a cell wall, and DNA, but lack a nucleus. Prokaryotes also don't have mitochondria or chloroplasts and generally lack organelles.
Answer: in order for a scientific investigation to be valid A hypothesis must be tested throughout a Scientific investigation that can gather evidence and support it.
Explanation: in any scientific investigation you have to have a testable hypothesis, without your hypothesis it’s not really a scientific investigation.
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Answer:
1.
Explanation:
Atomic mass is protons+neutrons. Atomic number is just protons.
Answer:
B. Habitat destruction
Explanation:
What is the number one cause of biodiversity loss? 1. Habitat destruction. Habitat destruction is a major cause of biodiversity loss.
4. Cinder cones are a volcano
