subject

Physics, 01.07.2020 16:01 itsmemichellel

Complete the sentences to explain how photosynthetic organisms changed our lives on Earth. The in the atmosphere that all living beings depend on was generated by cyanobacteria during the Archaean and Proterozoic eras. The presence of this substance is what makes possible on Earth.

ansver

Answers: 2

Show answers

Another question on Physics

question

Physics, 22.06.2019 01:00

When you turn on a battery-operated device, an electrical circuit is

Answers: 1

question

Physics, 22.06.2019 07:20

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Answers: 2

question

Physics, 22.06.2019 10:00

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

Answers: 1

question

Physics, 23.06.2019 00:20

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g

Answers: 2

You know the right answer?

Complete the sentences to explain how photosynthetic organisms changed our lives on Earth. The in th...

Questions

question

Mathematics, 07.11.2019 00:31

Consider circle t with radius 24 in. and θ = startfraction 5 pi over 6 endfraction radians. circle t is shown. line segments s t and v t a...

question

Mathematics, 07.11.2019 00:31

Consider the line y = x . if the line is dilated by a factor of 1 3 , what is the equation of the resulting line? if the resulting line is translated...

question

Physics, 07.11.2019 00:31

Consider a spring that does not obey hooke's law very faithfully. one end of the spring is fixed. to keep the spring stretched or compressed an amount...

question

Chemistry, 07.11.2019 00:31

Consider the e2 elimination of 3‑bromopentane with hydroxide. the starting material consists of a chiral carbon with an in plane bond to bromine point...

question

Mathematics, 07.11.2019 00:31

Consider the variable, type of birth control practiced ( e. g., an iud, condoms, none, etc). which measure of variability is best suited t...

question

Mathematics, 07.11.2019 00:31

Consider the mountain known as mount wolf, whose surface can be described by the parametrization r(u, v) = u, v, 7565 − 0.02u2 − 0.03v2 with u2 + v2 ≤...

question

Chemistry, 07.11.2019 00:31

Consider the condensed structure shown. ch3chch2chch3 ch3 ch3 draw the expanded, or complete, structural formula f...

question

Business, 07.11.2019 00:31

Consider the market for medical doctors. suppose the opportunity cost of going to medical school decreases for many individuals. suppose it generally...

question

Physics, 07.11.2019 00:31

Consider the fireclay brick wall of example 1.1 that is operating under different thermal conditions. the temperature distribution, at an instant in t...

question

Mathematics, 07.11.2019 00:31

Consider the solid that lies above the square (in the xy-plane) r=[0,1]×[0,1] and below the elliptic paraboloid z=36−x2+2xy−y2. estimate the volume by...

question

Mathematics, 07.11.2019 00:31

Kelly cannot remember the formula for the sum of a finite arithmetic sequence, so she is going to try to derive it. her problem is to find the sum of...

question

Biology, 07.11.2019 00:31

Consider a meadow that 10 by 10 miles it has 100 deer in it a different meadow is 5 by 2 miles and has 50 deer which population is more risk if a fore...

question

Mathematics, 07.11.2019 00:31

Consider the line y = x . if the line is dilated by a factor of 2, what is the equation of the resulting line? if the resulting line is translated 3...

question

Mathematics, 07.11.2019 00:31

The line 6x – 3y = 24 represents shari's distance from home, y in blocks, on her run across town over time, x, in minutes. what is the x-intercept of...

question

Mathematics, 07.11.2019 00:31

Hayley saved $124 to spend on her vacation the first day she spent 3/8 of her savings the second day she spent 2/5 of what remained how much money in...

question

Physics, 07.11.2019 00:31

Consider the reaction, x + 2y → xy2 if x and y are completely consumed in the reaction and we start with 10.0 mol of y, then how many total moles of x...

question

Mathematics, 07.11.2019 00:31

If r is ten more than the square root of l, then r =

question

Mathematics, 07.11.2019 00:31

Julie is building thus staircase with a rail. what measure of < 1 will ensure that the rail is parallel to the bottom of the staircase?...

question

History, 07.11.2019 00:31

Jurisdiction is determined a. geography and parties. b. geography and type of laws involved. c. geography, parties, and type of law...

question

Mathematics, 07.11.2019 00:31

Andy estimated that he would need 70 feet of lumber for a tree house project. he later found that the actual amount of lumber needed was 59 feet. what...

More questions: Physics Another questions

Questions on the website: 13722367