Answer:
The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks.
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Please mark me as brainliest</h2>
The tibioemoral joint is synovial joint between the distal femur and the proximal tibia <span>is commonly known as the knee joint. The knee joint </span><span>allows for flexion and extension (and a small degree of medial and lateral rotation).</span>
Posterior tibiofibular ligament is not part of the tibiofemoral joint.
Hydrogen is in a state of matter as a gaseous form. (so the answer is gas)
