After the fossils are buried in the mud the soft tissues start to decompose rapidly. Leaving only the hard shells or bones of the animal. With time, sediment starts to build up on the top and then hardens into rock. The bones then start to decay, minerals start to enter and then end up replacing the organic material cell by cell in a process that is known as "petrification." So the answer you are looking for is B, Mud can prevent oxygen from reaching the dead organism.
Answer:
A. is correct. Ra - rv - L - la - lv - b
Explanation:
The risk factors of testicular cancer are;
1. Hiv infections
2. Family history of testicular cancer.
3. Males who are known to have an undescended testis.
The subjective of testicular cancer include;
1. Evidence of metastasis which include gyro, back pain.
2. Feeling of heaviness in the testicles.
3. Swelling and lumps of testes
Objective of testicular cancer include;
1. Swelling of lymph nodes in groin
2. Lump which is palpable.
3.Enlarged testes which will have no pain.
Answer:
Explanation:
Earth, the third planet from the Sun, our home in the Solar System is the only planet or moon that is known to have the ability support support life. Earth has the right ingredients and is sufficiently far enough from the Sun to have just the right temperature to support life.