Subject   +                         Aux. Verb     +     Main Verb    +   by + ---

↓                                             ↓                            ↓                         ↓

Many accidents                 (be)  are                 caused                    by--------

                                                                                 ↓

                                                                  (Past Participle)

It is also a general statement, hence, the Aux. Verb will be used in Simple Present Tense.

Hence, many accidents are caused by reckless driving is the right usage.

1. In normal text ads, you define the display URL yourself: If your website address begins with a subdomain (for example, "support" in "support.google.com"), your display URL May include that subdomain.

2. In expanded text ads, your display URL is a combination of your website's domain (and, where applicable, subdomains) and the text in your “Path” field.

The correct example of cell address in MS Excel 2010 is AZ145.

1. Slide transitions are animation-like effects that occur when you move from one slide to another during an MSPowerPoint 2010 slide show.

2. Slide transitions apply whole-slide and can be used to make slide shows more vibrant and attractive.

Both the statements are correct-

Statement 1: Using the 'Shift + Delete' keyboard keys deletes the file/folder permanently and it is also not available in Recycle Bin.

Statement 2: Windows 10 allows individual user accounts to have unique settings and preferences (such as the desktop background screensaver) for each user.

1. Compact Disc Recordable (CDR) is a write-once-read-many (WORM) disc.

2. CD-R stands for Compact Disc Recordable and is a digital optical disc storage format.

3. A CD-R disc is a compact disc that can be written once and read multiple times freely.

1. The full form of USB is Universal Serial Bus.

2. USB is a wired device with the help of which you can connect any other device like mobile with laptop, mobile with computer etc.

3. Apart from this, you can also insert a memory card inside the laptop with its help because it is a port in which we can insert things like Pendrive, Card Reader, Data Cable etc.

1. Junk email is called spam. Spam is an email that you did not request, and which usually promotes advertising or other unwanted content.

2. Spoofing is a special type of cyber-attack in which someone attempts to deceive other computer networks by using a computer, device, or network to identify themselves as a legitimate entity.