Answer:by being produced in the testes outside the body
Explanation: spermatogenesis is the production of male gamates,the sperm.this process occurs in the seminiferous tubules in the testes.epithelial cells produces the primary spermatocyte which divides to give a secondary spermatocyte.
The secondary spermatocyte divides to form spermatids,which differentiates to form the spermatozoons.
Testis is housed in the scrotal sac.
Sperm production is sensitive to temperature. Too high temperature can cause formation of abnormal cells . As a result the scrotal sac is located outside the body
Or <span>The average density of the boat, including the steel and air, is less dense than 1.00 g/cm³..</span>
It's c because Atoms contain three sub-atomic particles called protons, neutrons and electrons. The protons and neutrons are found in the nucleus at the centre of the atom.
Answer:
introduces substances into an environment
Explanation:
eutrophication is just a bunch of algae in a pond or source of water. pollution is bad materials in the air. smoke and algae are substances in an environment.
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Answer:
Answer:
New York City: 50 Years ago: 625 ppm Present Day: 893 ppm Future Development Impact: 843 ppm. Recommendation: Stop littering in water, to help keep it clean.
Amazon Rain forest CO2: 50 Years ago: 318 ppm Present Day: 402 ppm Future development impact: 338 ppm Recommendation: Avoid human interaction so nature can take its course.
Sahara Desert Loss Of Land: 50 Years ago: 1.2 Meters Present Day: 3.5 Meters Future development impact: 2.4 Meters Recommendation: Using better farming practices by rotating crop locations can help with soil erosion.
Explanation:
I changed the wording so it cant be traced, but some websites had the answer key.
