B. A plasmid
C. A genetic marker
D. A restriction enzyme
2.An atom that gains or loses an electron has a net electric charge and is called a/n
A. ion.
B. proton.
C. neutron.
D. electron
3. The two subspecialties of astronomy are
A. astrophysics and planetary science.
B. climatology and atmospheric chemistry.
C. environmental earth science and environmental chemistry.
D. paleontology and geochemistry.
4. A _______ satellite records reflected wavelengths from Earth's surface
A. GIS
B. GPS
C. Landsat
D. SeaBeam
5. Magma is classified as basaltic, andesitic, or rhyolitic based on what factor
A. Temperature of the magma
B. Region of the Earth in which it formed
C. Amount of silica it contains
D. Amount of pressure placed on it during formation
6. All the water on Earth, including the water in the atmosphere, makes up the
A. biosphere.
End of exam
B. hydrosphere.
C. geosphere.
D. atmosphere.
Answer:
the answer is false
Explanation:
i just took a quiz over it
b. Wheat and corn are common products of tropical plantations.
c. Most crops from tropical plantations are exported.
d. Cocoa, coffee and tea are common products of tropical plantations.
The right option is; b.
Wheat and corn are common products of tropical plantations is not true concerning tropical plantations.
Tropical plantations is a type of agriculture in which perennial plants are grown for several years. Tropical plantations are usually practiced in regions with humid, tropical climates and plants such as cocoa, coffee, tea, coconut, rubber and oil palm are the common crops that are cultivated. The crops are mostly exported and they serve as important source of income. Wheat and corn are not common products of tropical plantations .
Answer:
B
Explanation:
B. produce HCl
C. are found in the basal regions of the gastric glands
D. produce mucin