10: at location y the boundary between the red sand- stone and the black shale marks the
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Biology, 24.01.2020 21:31, queenpaige2015
10: at location y the boundary between the red sand- stone and the black shale marks the
(1) beginning of the cenozoic era
(2) beginning of the mesozoic era
(3) end of the cenozoic era
(4) end of the mesozoic era
11: an unconformity can be observed at location z which rock layer was most probably removed by erosion during the time represented by the uncon- formity?
(1) conglomerate
(3) black shale
(2) gray siltstone
(4) brown siltstone
12 the fossils in the rock formations at location xindi- cate that this area often was covered by
(1) tropical rain forests (2) glacial ice
(3)desert sand
(4) seawater
13 which rock layer was formed by the compaction and cementation of particles that were all less than 0.0004 centimeter in diameter?
(1) red sandstone
(3) brown siltstone
(2) green shale
(4) conglomerate
Answers: 1
Biology, 22.06.2019 02:00, Ilovesnoopy69
1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area
Answers: 2
Biology, 22.06.2019 05:00, shaheedbrown06
Which statements about the fluid mosaic structure of a membrane are correct? select the three correct statements. which statements about the fluid mosaic structure of a membrane are correct? select the three correct statements. the framework of a membrane is a bilayer of phospholipids with their hydrophilic heads facing the aqueous environment inside and outside of the cell and their hydrophobic tails clustered in the center. because membranes are fluid, membrane proteins and phospholipids can drift about in the membrane. the diverse proteins found in and attached to membranes perform many important functions. the kinky tails of some proteins keep the membrane fluid by preventing the component molecules from packing solidly together. membranes include a mosaic, or mix, of carbohydrates embedded in a phospholipid bilayer.
Answers: 1
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