1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Molodets [167]
3 years ago
9

Humans first appeared in the _____ period.

Chemistry
2 answers:
Ira Lisetskai [31]3 years ago
6 0

Answer:

They first appeared in the fossil record around 66 million years ago, soon after the Cretaceous–Paleogene extinction event that eliminated about three-quarters of plant and animal species on Earth, including most dinosaurs.

Explanation:

vlabodo [156]3 years ago
4 0

Answer:

A or b I learned this in history

You might be interested in
Help me please 25 points
vekshin1

-23 is the final answer beacuse bigger negavtives

5 0
3 years ago
How many formula units of lead (IV) phosphate in 1.75g
Iteru [2.4K]
1.05 x 10 to the 21 power formula units of lead (IV) phosphate
7 0
3 years ago
A box is pushed across the floor for a distance of 5 metters with a force of 50N in 5 seconds. a. how much work is done? b. what
Reptile [31]

Answer:

50W

Explanation:

The formula and is

W = F × s

(force x distance)

W= 50 N× 5 m =250 N m=250 J

Done in 5 seconds the power is

p

=

W

t

where

t

=time

p

=

250

J

5

=

50 J

/s

=50 W

6 0
3 years ago
Read 2 more answers
Which two organisms contain chloroplasts and eyespots?
arsen [322]
 there are more to this than just two of those. the answer is volvox and euglena
5 0
4 years ago
Read 2 more answers
Thomas collected the data in Table 1 to answer a statistical question. Which statistical question does the data in Table 1 answe
Nezavi [6.7K]

Answer:

how tall each sibling is

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the coefficient of silver in the final, balanced equation for this reaction?
    15·1 answer
  • 6. <br><br>Which element has an atom with a total of three valence electrons?
    15·1 answer
  • The principle of the wet-bulb thermometers states that ___________.
    5·1 answer
  • What is the molarity of a solution containing 45.78gMgCl2 dissolved in 3.00L of solution?
    7·1 answer
  • What is the precipitation reaction of sodium nitrate and lead (II)?
    14·1 answer
  • Why were scientists surprised to find coal in the arctic?
    5·1 answer
  • Given the thermochemical equation for photosynthesis, 6CO2(g) + 6H2O(l) → C6H12O6(s) + 6O2(g) ΔH = +2803 kJ/mol Calculate the ma
    15·1 answer
  • 9. Why do areas near large bodies of water tend to not experience large swings in temperature? (2 points)
    14·2 answers
  • Consider the nuclear equation below. 222/66Rn--&gt;218/?Po+4/2He Which is the missing value that will balance the equation? 84 8
    9·2 answers
  • Briefly describe metals
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!