To answer your question: the nucleus has a membrane.
Answer: 1. mechanical weathering
2. Soil
Explanation:
1. Some animals such as moles dig which breaks down rocks underground.
2. Soil is different amounts of broke down particles some still have big particles like sand while others are really fine like clay.
R136a1 and our Sun both are made of the same compounds and molecular build, however R136a1 is 261 times bigger and the mass is approx. 261 times greater than our Sun's mass.
Answer:
Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis. Organic compounds could have been delivered to early Earth by meteorites and other celestial objects
Answer:
Ant sting release methanoic acid or formic acid. The chemical formula of methanoic acid is HCOOH
