Science virtual lab: smithsonian museum of natural history
foosil tracks: an unknown a...
Physics, 13.10.2019 22:00 andrespiperderc
Science virtual lab: smithsonian museum of natural history
foosil tracks: an unknown animal made these strange chervon-shaped tracks half a years ago on the rippled sandy floor of a shallow sea.
a) hundred
b) billion✔
c) thousand
d) million
fossil tracks: the animal's track pattern has been named "climatichmites."
no animal leaves similar track patterns.
a) modern✔
b) old
c) big
d) small
the fine art of filter-feeding. the filter-feeder is limited to "soupe du jour"- a brother of small and organic particles suspended in sea water.
a) boys
b) girls
c) organisms✔
d) animals
the fine art of filter-feeding. competition for food has much to do with where brachiopods and crinoids live. by positioning themselves at different in the water and choosing food particles of a particular size the animals stake out niches themselves.
a) times
b) heights✔
c) temperatures
d) colors
filter-feeders move into the spotlight. brachiopods look like
a) fish
b) kids
c) clams✔
d) animals
filter-feeders move into the spotlight. crinoids are looking animals.
a) scary
b) cute
c) rock
d) flowery✔
Answers: 3
Physics, 22.06.2019 04:30, destyneedonnea
Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?
Answers: 3
Physics, 22.06.2019 07:00, girlysimbelieve
The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?
Answers: 3
Physics, 22.06.2019 18:30, jonathanvega424
Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?
Answers: 1
Mathematics, 18.04.2020 07:00
Mathematics, 18.04.2020 07:00
Biology, 18.04.2020 07:00